Home / 1,472,203.20-2,207,138.40-807,355.20

Finding the Fourth Proportional to 1,472,203.20, 2,207,138.40 and 807,355.20

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Solution

The fourth proportional to 1,472,203.20, 2,207,138.40 and 807,355.20 is: 1,210,393.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,203.20 : 2,207,138.40 = 807,355.20 : x
  2. Step 2: Convert to fraction form
    1,472,203.20/2,207,138.40 = 807,355.20/x
  3. Step 3: Cross multiply
    1,472,203.20x = 2,207,138.40 × 807,355.20
  4. Step 4: Simplify right side
    1,472,203.20x = 1,781,944,664,359.68
  5. Step 5: Solve for x
    x = 1,781,944,664,359.68/1,472,203.20
  6. Step 6: Final answer
    x = 1,210,393.15

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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.