Home / 1,508,781.96-2,082,055.68-855,451.92

Finding the Fourth Proportional to 1,508,781.96, 2,082,055.68 and 855,451.92

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Solution

The fourth proportional to 1,508,781.96, 2,082,055.68 and 855,451.92 is: 1,180,487.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,781.96 : 2,082,055.68 = 855,451.92 : x
  2. Step 2: Convert to fraction form
    1,508,781.96/2,082,055.68 = 855,451.92/x
  3. Step 3: Cross multiply
    1,508,781.96x = 2,082,055.68 × 855,451.92
  4. Step 4: Simplify right side
    1,508,781.96x = 1,781,098,529,002.91
  5. Step 5: Solve for x
    x = 1,781,098,529,002.91/1,508,781.96
  6. Step 6: Final answer
    x = 1,180,487.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.