Home / 1,373,721.92-2,058,990.24-520,251.20

Finding the Fourth Proportional to 1,373,721.92, 2,058,990.24 and 520,251.20

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Solution

The fourth proportional to 1,373,721.92, 2,058,990.24 and 520,251.20 is: 779,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,721.92 : 2,058,990.24 = 520,251.20 : x
  2. Step 2: Convert to fraction form
    1,373,721.92/2,058,990.24 = 520,251.20/x
  3. Step 3: Cross multiply
    1,373,721.92x = 2,058,990.24 × 520,251.20
  4. Step 4: Simplify right side
    1,373,721.92x = 1,071,192,143,148.29
  5. Step 5: Solve for x
    x = 1,071,192,143,148.29/1,373,721.92
  6. Step 6: Final answer
    x = 779,773.64

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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.