Finding the Fourth Proportional to 1,487,400.28, 2,230,755.36 and 728,484.56
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Solution
The fourth proportional to 1,487,400.28, 2,230,755.36 and 728,484.56 is: 1,092,557.84
Step by Step Solution
- Step 1: Write the proportion equation
1,487,400.28 : 2,230,755.36 = 728,484.56 : x - Step 2: Convert to fraction form
1,487,400.28/2,230,755.36 = 728,484.56/x - Step 3: Cross multiply
1,487,400.28x = 2,230,755.36 × 728,484.56 - Step 4: Simplify right side
1,487,400.28x = 1,625,070,836,897.24 - Step 5: Solve for x
x = 1,625,070,836,897.24/1,487,400.28 - Step 6: Final answer
x = 1,092,557.84
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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.