Finding the Fourth Proportional to 1,438,809.24, 1,985,545.80 and 794,229.87
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Solution
The fourth proportional to 1,438,809.24, 1,985,545.80 and 794,229.87 is: 1,096,031.18
Step by Step Solution
- Step 1: Write the proportion equation
1,438,809.24 : 1,985,545.80 = 794,229.87 : x - Step 2: Convert to fraction form
1,438,809.24/1,985,545.80 = 794,229.87/x - Step 3: Cross multiply
1,438,809.24x = 1,985,545.80 × 794,229.87 - Step 4: Simplify right side
1,438,809.24x = 1,576,979,782,613.05 - Step 5: Solve for x
x = 1,576,979,782,613.05/1,438,809.24 - Step 6: Final answer
x = 1,096,031.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.