Finding the Fourth Proportional to 1,047,134.22, 1,569,248.14 and 477,122.28
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Solution
The fourth proportional to 1,047,134.22, 1,569,248.14 and 477,122.28 is: 715,021.28
Step by Step Solution
- Step 1: Write the proportion equation
1,047,134.22 : 1,569,248.14 = 477,122.28 : x - Step 2: Convert to fraction form
1,047,134.22/1,569,248.14 = 477,122.28/x - Step 3: Cross multiply
1,047,134.22x = 1,569,248.14 × 477,122.28 - Step 4: Simplify right side
1,047,134.22x = 748,723,250,442.56 - Step 5: Solve for x
x = 748,723,250,442.56/1,047,134.22 - Step 6: Final answer
x = 715,021.28
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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.