Finding the Fourth Proportional to 1,028,213.18, 1,542,635.05 and 460,072.49
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Solution
The fourth proportional to 1,028,213.18, 1,542,635.05 and 460,072.49 is: 690,249.81
Step by Step Solution
- Step 1: Write the proportion equation
1,028,213.18 : 1,542,635.05 = 460,072.49 : x - Step 2: Convert to fraction form
1,028,213.18/1,542,635.05 = 460,072.49/x - Step 3: Cross multiply
1,028,213.18x = 1,542,635.05 × 460,072.49 - Step 4: Simplify right side
1,028,213.18x = 709,723,951,321.18 - Step 5: Solve for x
x = 709,723,951,321.18/1,028,213.18 - Step 6: Final answer
x = 690,249.81
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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.