Formulat to determine the initial investment amount

[bdt]

I seem to recall that there is a formula to calculate the initial investment amount if the future annual investments are to increase at a constant percentage and there is a target future value.

Here is the situation:

 

[stapel]

I seem to recall that there is a formula to calculate the initial investment amount if the future annual investments are to increase at a constant percentage and there is a target future value.

Here is the situation:

I'm sorry, but whatever "the situation" is, it didn't copy over into your post. Kindly please reply with the information.

When you reply, please include a clear listing of your efforts so far. Thank you!