Finding the Fourth Proportional to 1,092,121.41, 1,638,231.28 and 418,027.87
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Solution
The fourth proportional to 1,092,121.41, 1,638,231.28 and 418,027.87 is: 627,060.62
Step by Step Solution
- Step 1: Write the proportion equation
1,092,121.41 : 1,638,231.28 = 418,027.87 : x - Step 2: Convert to fraction form
1,092,121.41/1,638,231.28 = 418,027.87/x - Step 3: Cross multiply
1,092,121.41x = 1,638,231.28 × 418,027.87 - Step 4: Simplify right side
1,092,121.41x = 684,826,333,548.49 - Step 5: Solve for x
x = 684,826,333,548.49/1,092,121.41 - Step 6: Final answer
x = 627,060.62
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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.