Finding the Fourth Proportional to 1,253,440.32, 1,729,747.68 and 680,479.68
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Solution
The fourth proportional to 1,253,440.32, 1,729,747.68 and 680,479.68 is: 939,061.98
Step by Step Solution
- Step 1: Write the proportion equation
1,253,440.32 : 1,729,747.68 = 680,479.68 : x - Step 2: Convert to fraction form
1,253,440.32/1,729,747.68 = 680,479.68/x - Step 3: Cross multiply
1,253,440.32x = 1,729,747.68 × 680,479.68 - Step 4: Simplify right side
1,253,440.32x = 1,177,058,147,767.14 - Step 5: Solve for x
x = 1,177,058,147,767.14/1,253,440.32 - Step 6: Final answer
x = 939,061.98
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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.