Home / 1,000,605.52-1,380,836.19-541,720.21

Finding the Fourth Proportional to 1,000,605.52, 1,380,836.19 and 541,720.21

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Solution

The fourth proportional to 1,000,605.52, 1,380,836.19 and 541,720.21 is: 747,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,605.52 : 1,380,836.19 = 541,720.21 : x
  2. Step 2: Convert to fraction form
    1,000,605.52/1,380,836.19 = 541,720.21/x
  3. Step 3: Cross multiply
    1,000,605.52x = 1,380,836.19 × 541,720.21
  4. Step 4: Simplify right side
    1,000,605.52x = 748,026,870,822.40
  5. Step 5: Solve for x
    x = 748,026,870,822.40/1,000,605.52
  6. Step 6: Final answer
    x = 747,574.20

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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.