Finding the Fourth Proportional to 1,083,658.20, 1,625,565.21 and 373,675.99
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Solution
The fourth proportional to 1,083,658.20, 1,625,565.21 and 373,675.99 is: 560,540.85
Step by Step Solution
- Step 1: Write the proportion equation
1,083,658.20 : 1,625,565.21 = 373,675.99 : x - Step 2: Convert to fraction form
1,083,658.20/1,625,565.21 = 373,675.99/x - Step 3: Cross multiply
1,083,658.20x = 1,625,565.21 × 373,675.99 - Step 4: Simplify right side
1,083,658.20x = 607,434,689,156.31 - Step 5: Solve for x
x = 607,434,689,156.31/1,083,658.20 - Step 6: Final answer
x = 560,540.85
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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.