Finding the Fourth Proportional to 1,053,731.20, 1,454,057.04 and 623,934.40
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Solution
The fourth proportional to 1,053,731.20, 1,454,057.04 and 623,934.40 is: 860,974.99
Step by Step Solution
- Step 1: Write the proportion equation
1,053,731.20 : 1,454,057.04 = 623,934.40 : x - Step 2: Convert to fraction form
1,053,731.20/1,454,057.04 = 623,934.40/x - Step 3: Cross multiply
1,053,731.20x = 1,454,057.04 × 623,934.40 - Step 4: Simplify right side
1,053,731.20x = 907,236,206,818.18 - Step 5: Solve for x
x = 907,236,206,818.18/1,053,731.20 - Step 6: Final answer
x = 860,974.99
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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.