Home / 1,377,540.72-2,066,253.84-479,185.92

Finding the Fourth Proportional to 1,377,540.72, 2,066,253.84 and 479,185.92

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Solution

The fourth proportional to 1,377,540.72, 2,066,253.84 and 479,185.92 is: 718,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,540.72 : 2,066,253.84 = 479,185.92 : x
  2. Step 2: Convert to fraction form
    1,377,540.72/2,066,253.84 = 479,185.92/x
  3. Step 3: Cross multiply
    1,377,540.72x = 2,066,253.84 × 479,185.92
  4. Step 4: Simplify right side
    1,377,540.72x = 990,119,747,273.93
  5. Step 5: Solve for x
    x = 990,119,747,273.93/1,377,540.72
  6. Step 6: Final answer
    x = 718,758.97

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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.