Finding the Fourth Proportional to 1,131,353.48, 1,700,140.62 and 1,057,377.80
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Solution
The fourth proportional to 1,131,353.48, 1,700,140.62 and 1,057,377.80 is: 1,588,973.72
Step by Step Solution
- Step 1: Write the proportion equation
1,131,353.48 : 1,700,140.62 = 1,057,377.80 : x - Step 2: Convert to fraction form
1,131,353.48/1,700,140.62 = 1,057,377.80/x - Step 3: Cross multiply
1,131,353.48x = 1,700,140.62 × 1,057,377.80 - Step 4: Simplify right side
1,131,353.48x = 1,797,690,948,466.24 - Step 5: Solve for x
x = 1,797,690,948,466.24/1,131,353.48 - Step 6: Final answer
x = 1,588,973.72
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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.