Finding the Fourth Proportional to 1,289,217.06, 1,933,278.84 and 614,517.84
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Solution
The fourth proportional to 1,289,217.06, 1,933,278.84 and 614,517.84 is: 921,516.15
Step by Step Solution
- Step 1: Write the proportion equation
1,289,217.06 : 1,933,278.84 = 614,517.84 : x - Step 2: Convert to fraction form
1,289,217.06/1,933,278.84 = 614,517.84/x - Step 3: Cross multiply
1,289,217.06x = 1,933,278.84 × 614,517.84 - Step 4: Simplify right side
1,289,217.06x = 1,188,034,336,874.51 - Step 5: Solve for x
x = 1,188,034,336,874.51/1,289,217.06 - Step 6: Final answer
x = 921,516.15
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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.