Home / 1,329,992.60-1,995,248.10-531,138.20

Finding the Fourth Proportional to 1,329,992.60, 1,995,248.10 and 531,138.20

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Solution

The fourth proportional to 1,329,992.60, 1,995,248.10 and 531,138.20 is: 796,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,992.60 : 1,995,248.10 = 531,138.20 : x
  2. Step 2: Convert to fraction form
    1,329,992.60/1,995,248.10 = 531,138.20/x
  3. Step 3: Cross multiply
    1,329,992.60x = 1,995,248.10 × 531,138.20
  4. Step 4: Simplify right side
    1,329,992.60x = 1,059,752,484,387.42
  5. Step 5: Solve for x
    x = 1,059,752,484,387.42/1,329,992.60
  6. Step 6: Final answer
    x = 796,810.81

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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.