Finding the Fourth Proportional to 1,102,836.66, 1,653,351.02 and 392,460.18
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Solution
The fourth proportional to 1,102,836.66, 1,653,351.02 and 392,460.18 is: 588,368.58
Step by Step Solution
- Step 1: Write the proportion equation
1,102,836.66 : 1,653,351.02 = 392,460.18 : x - Step 2: Convert to fraction form
1,102,836.66/1,653,351.02 = 392,460.18/x - Step 3: Cross multiply
1,102,836.66x = 1,653,351.02 × 392,460.18 - Step 4: Simplify right side
1,102,836.66x = 648,874,438,912.38 - Step 5: Solve for x
x = 648,874,438,912.38/1,102,836.66 - Step 6: Final answer
x = 588,368.58
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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.