Finding the Fourth Proportional to 1,253,063.70, 1,729,229.40 and 680,103.99
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Solution
The fourth proportional to 1,253,063.70, 1,729,229.40 and 680,103.99 is: 938,544.32
Step by Step Solution
- Step 1: Write the proportion equation
1,253,063.70 : 1,729,229.40 = 680,103.99 : x - Step 2: Convert to fraction form
1,253,063.70/1,729,229.40 = 680,103.99/x - Step 3: Cross multiply
1,253,063.70x = 1,729,229.40 × 680,103.99 - Step 4: Simplify right side
1,253,063.70x = 1,176,055,814,565.31 - Step 5: Solve for x
x = 1,176,055,814,565.31/1,253,063.70 - Step 6: Final answer
x = 938,544.32
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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.