Home / 1,299,931.59-1,950,358.88-580,207.78

Finding the Fourth Proportional to 1,299,931.59, 1,950,358.88 and 580,207.78

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Solution

The fourth proportional to 1,299,931.59, 1,950,358.88 and 580,207.78 is: 870,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,931.59 : 1,950,358.88 = 580,207.78 : x
  2. Step 2: Convert to fraction form
    1,299,931.59/1,950,358.88 = 580,207.78/x
  3. Step 3: Cross multiply
    1,299,931.59x = 1,950,358.88 × 580,207.78
  4. Step 4: Simplify right side
    1,299,931.59x = 1,131,613,399,856.55
  5. Step 5: Solve for x
    x = 1,131,613,399,856.55/1,299,931.59
  6. Step 6: Final answer
    x = 870,517.65

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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.