Home / 1,329,195.40-1,993,793.10-1,226,552.20

Finding the Fourth Proportional to 1,329,195.40, 1,993,793.10 and 1,226,552.20

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Solution

The fourth proportional to 1,329,195.40, 1,993,793.10 and 1,226,552.20 is: 1,839,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,195.40 : 1,993,793.10 = 1,226,552.20 : x
  2. Step 2: Convert to fraction form
    1,329,195.40/1,993,793.10 = 1,226,552.20/x
  3. Step 3: Cross multiply
    1,329,195.40x = 1,993,793.10 × 1,226,552.20
  4. Step 4: Simplify right side
    1,329,195.40x = 2,445,491,313,149.82
  5. Step 5: Solve for x
    x = 2,445,491,313,149.82/1,329,195.40
  6. Step 6: Final answer
    x = 1,839,828.30

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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.