Finding the Fourth Proportional to 1,277,265.49, 1,915,943.50 and 317,726.09
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Solution
The fourth proportional to 1,277,265.49, 1,915,943.50 and 317,726.09 is: 476,600.40
Step by Step Solution
- Step 1: Write the proportion equation
1,277,265.49 : 1,915,943.50 = 317,726.09 : x - Step 2: Convert to fraction form
1,277,265.49/1,915,943.50 = 317,726.09/x - Step 3: Cross multiply
1,277,265.49x = 1,915,943.50 × 317,726.09 - Step 4: Simplify right side
1,277,265.49x = 608,745,240,117.14 - Step 5: Solve for x
x = 608,745,240,117.14/1,277,265.49 - Step 6: Final answer
x = 476,600.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.