Home / 1,055,371.20-1,584,223.20-656,462.40

Finding the Fourth Proportional to 1,055,371.20, 1,584,223.20 and 656,462.40

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Solution

The fourth proportional to 1,055,371.20, 1,584,223.20 and 656,462.40 is: 985,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,371.20 : 1,584,223.20 = 656,462.40 : x
  2. Step 2: Convert to fraction form
    1,055,371.20/1,584,223.20 = 656,462.40/x
  3. Step 3: Cross multiply
    1,055,371.20x = 1,584,223.20 × 656,462.40
  4. Step 4: Simplify right side
    1,055,371.20x = 1,039,982,964,007.68
  5. Step 5: Solve for x
    x = 1,039,982,964,007.68/1,055,371.20
  6. Step 6: Final answer
    x = 985,419.12

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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.