Finding the Fourth Proportional to 1,298,757.97, 1,792,292.63 and 725,807.71
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Solution
The fourth proportional to 1,298,757.97, 1,792,292.63 and 725,807.71 is: 1,001,618.35
Step by Step Solution
- Step 1: Write the proportion equation
1,298,757.97 : 1,792,292.63 = 725,807.71 : x - Step 2: Convert to fraction form
1,298,757.97/1,792,292.63 = 725,807.71/x - Step 3: Cross multiply
1,298,757.97x = 1,792,292.63 × 725,807.71 - Step 4: Simplify right side
1,298,757.97x = 1,300,859,809,430.18 - Step 5: Solve for x
x = 1,300,859,809,430.18/1,298,757.97 - Step 6: Final answer
x = 1,001,618.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.