Home / 1,344,003.90-2,016,399.42-397,399.20

Finding the Fourth Proportional to 1,344,003.90, 2,016,399.42 and 397,399.20

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Solution

The fourth proportional to 1,344,003.90, 2,016,399.42 and 397,399.20 is: 596,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,003.90 : 2,016,399.42 = 397,399.20 : x
  2. Step 2: Convert to fraction form
    1,344,003.90/2,016,399.42 = 397,399.20/x
  3. Step 3: Cross multiply
    1,344,003.90x = 2,016,399.42 × 397,399.20
  4. Step 4: Simplify right side
    1,344,003.90x = 801,315,516,388.46
  5. Step 5: Solve for x
    x = 801,315,516,388.46/1,344,003.90
  6. Step 6: Final answer
    x = 596,215.17

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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.