Finding the Fourth Proportional to 1,055,372.07, 1,456,414.70 and 571,937.21
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Solution
The fourth proportional to 1,055,372.07, 1,456,414.70 and 571,937.21 is: 789,274.02
Step by Step Solution
- Step 1: Write the proportion equation
1,055,372.07 : 1,456,414.70 = 571,937.21 : x - Step 2: Convert to fraction form
1,055,372.07/1,456,414.70 = 571,937.21/x - Step 3: Cross multiply
1,055,372.07x = 1,456,414.70 × 571,937.21 - Step 4: Simplify right side
1,055,372.07x = 832,977,760,120.99 - Step 5: Solve for x
x = 832,977,760,120.99/1,055,372.07 - Step 6: Final answer
x = 789,274.02
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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.