Home / 1,053,897.10-1,581,010.90-343,761.18

Finding the Fourth Proportional to 1,053,897.10, 1,581,010.90 and 343,761.18

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Solution

The fourth proportional to 1,053,897.10, 1,581,010.90 and 343,761.18 is: 515,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,897.10 : 1,581,010.90 = 343,761.18 : x
  2. Step 2: Convert to fraction form
    1,053,897.10/1,581,010.90 = 343,761.18/x
  3. Step 3: Cross multiply
    1,053,897.10x = 1,581,010.90 × 343,761.18
  4. Step 4: Simplify right side
    1,053,897.10x = 543,490,172,576.86
  5. Step 5: Solve for x
    x = 543,490,172,576.86/1,053,897.10
  6. Step 6: Final answer
    x = 515,695.67

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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.