Finding the Fourth Proportional to 1,236,208.15, 1,854,520.67 and 426,375.95
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Solution
The fourth proportional to 1,236,208.15, 1,854,520.67 and 426,375.95 is: 639,635.82
Step by Step Solution
- Step 1: Write the proportion equation
1,236,208.15 : 1,854,520.67 = 426,375.95 : x - Step 2: Convert to fraction form
1,236,208.15/1,854,520.67 = 426,375.95/x - Step 3: Cross multiply
1,236,208.15x = 1,854,520.67 × 426,375.95 - Step 4: Simplify right side
1,236,208.15x = 790,723,012,292.54 - Step 5: Solve for x
x = 790,723,012,292.54/1,236,208.15 - Step 6: Final answer
x = 639,635.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.