Home / 1,329,959.20-1,995,230.40-656,363.20

Finding the Fourth Proportional to 1,329,959.20, 1,995,230.40 and 656,363.20

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Solution

The fourth proportional to 1,329,959.20, 1,995,230.40 and 656,363.20 is: 984,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,959.20 : 1,995,230.40 = 656,363.20 : x
  2. Step 2: Convert to fraction form
    1,329,959.20/1,995,230.40 = 656,363.20/x
  3. Step 3: Cross multiply
    1,329,959.20x = 1,995,230.40 × 656,363.20
  4. Step 4: Simplify right side
    1,329,959.20x = 1,309,595,810,081.28
  5. Step 5: Solve for x
    x = 1,309,595,810,081.28/1,329,959.20
  6. Step 6: Final answer
    x = 984,688.71

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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.