Finding the Fourth Proportional to 1,198,920.13, 1,654,490.21 and 655,044.21
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Solution
The fourth proportional to 1,198,920.13, 1,654,490.21 and 655,044.21 is: 903,950.32
Step by Step Solution
- Step 1: Write the proportion equation
1,198,920.13 : 1,654,490.21 = 655,044.21 : x - Step 2: Convert to fraction form
1,198,920.13/1,654,490.21 = 655,044.21/x - Step 3: Cross multiply
1,198,920.13x = 1,654,490.21 × 655,044.21 - Step 4: Simplify right side
1,198,920.13x = 1,083,764,229,286.96 - Step 5: Solve for x
x = 1,083,764,229,286.96/1,198,920.13 - Step 6: Final answer
x = 903,950.32
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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.