Finding the Fourth Proportional to 1,146,569.92, 1,720,061.73 and 472,283.19
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Solution
The fourth proportional to 1,146,569.92, 1,720,061.73 and 472,283.19 is: 708,509.99
Step by Step Solution
- Step 1: Write the proportion equation
1,146,569.92 : 1,720,061.73 = 472,283.19 : x - Step 2: Convert to fraction form
1,146,569.92/1,720,061.73 = 472,283.19/x - Step 3: Cross multiply
1,146,569.92x = 1,720,061.73 × 472,283.19 - Step 4: Simplify right side
1,146,569.92x = 812,356,240,841.32 - Step 5: Solve for x
x = 812,356,240,841.32/1,146,569.92 - Step 6: Final answer
x = 708,509.99
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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.