Finding the Fourth Proportional to 1,119,553.92, 1,545,026.40 and 636,201.36
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Solution
The fourth proportional to 1,119,553.92, 1,545,026.40 and 636,201.36 is: 877,981.74
Step by Step Solution
- Step 1: Write the proportion equation
1,119,553.92 : 1,545,026.40 = 636,201.36 : x - Step 2: Convert to fraction form
1,119,553.92/1,545,026.40 = 636,201.36/x - Step 3: Cross multiply
1,119,553.92x = 1,545,026.40 × 636,201.36 - Step 4: Simplify right side
1,119,553.92x = 982,947,896,915.90 - Step 5: Solve for x
x = 982,947,896,915.90/1,119,553.92 - Step 6: Final answer
x = 877,981.74
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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.