Finding the Fourth Proportional to 1,055,336.20, 1,584,170.70 and 656,427.40
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Solution
The fourth proportional to 1,055,336.20, 1,584,170.70 and 656,427.40 is: 985,366.61
Step by Step Solution
- Step 1: Write the proportion equation
1,055,336.20 : 1,584,170.70 = 656,427.40 : x - Step 2: Convert to fraction form
1,055,336.20/1,584,170.70 = 656,427.40/x - Step 3: Cross multiply
1,055,336.20x = 1,584,170.70 × 656,427.40 - Step 4: Simplify right side
1,055,336.20x = 1,039,893,053,757.18 - Step 5: Solve for x
x = 1,039,893,053,757.18/1,055,336.20 - Step 6: Final answer
x = 985,366.61
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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.