Finding the Fourth Proportional to 1,040,232.76, 1,560,286.85 and 432,867.68
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Solution
The fourth proportional to 1,040,232.76, 1,560,286.85 and 432,867.68 is: 649,275.60
Step by Step Solution
- Step 1: Write the proportion equation
1,040,232.76 : 1,560,286.85 = 432,867.68 : x - Step 2: Convert to fraction form
1,040,232.76/1,560,286.85 = 432,867.68/x - Step 3: Cross multiply
1,040,232.76x = 1,560,286.85 × 432,867.68 - Step 4: Simplify right side
1,040,232.76x = 675,397,748,894.01 - Step 5: Solve for x
x = 675,397,748,894.01/1,040,232.76 - Step 6: Final answer
x = 649,275.60
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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.