Finding the Fourth Proportional to 1,072,105.08, 1,479,553.25 and 642,375.97
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Solution
The fourth proportional to 1,072,105.08, 1,479,553.25 and 642,375.97 is: 886,507.74
Step by Step Solution
- Step 1: Write the proportion equation
1,072,105.08 : 1,479,553.25 = 642,375.97 : x - Step 2: Convert to fraction form
1,072,105.08/1,479,553.25 = 642,375.97/x - Step 3: Cross multiply
1,072,105.08x = 1,479,553.25 × 642,375.97 - Step 4: Simplify right side
1,072,105.08x = 950,429,454,135.40 - Step 5: Solve for x
x = 950,429,454,135.40/1,072,105.08 - Step 6: Final answer
x = 886,507.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.