Home / 1,206,520.38-1,809,778.68-307,962

Finding the Fourth Proportional to 1,206,520.38, 1,809,778.68 and 307,962

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Solution

The fourth proportional to 1,206,520.38, 1,809,778.68 and 307,962 is: 461,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,520.38 : 1,809,778.68 = 307,962 : x
  2. Step 2: Convert to fraction form
    1,206,520.38/1,809,778.68 = 307,962/x
  3. Step 3: Cross multiply
    1,206,520.38x = 1,809,778.68 × 307,962
  4. Step 4: Simplify right side
    1,206,520.38x = 557,343,061,850.16
  5. Step 5: Solve for x
    x = 557,343,061,850.16/1,206,520.38
  6. Step 6: Final answer
    x = 461,942.52

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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.