Home / 1,254,244.86-1,730,861.19-681,280.38

Finding the Fourth Proportional to 1,254,244.86, 1,730,861.19 and 681,280.38

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Solution

The fourth proportional to 1,254,244.86, 1,730,861.19 and 681,280.38 is: 940,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,244.86 : 1,730,861.19 = 681,280.38 : x
  2. Step 2: Convert to fraction form
    1,254,244.86/1,730,861.19 = 681,280.38/x
  3. Step 3: Cross multiply
    1,254,244.86x = 1,730,861.19 × 681,280.38
  4. Step 4: Simplify right side
    1,254,244.86x = 1,179,201,769,250.45
  5. Step 5: Solve for x
    x = 1,179,201,769,250.45/1,254,244.86
  6. Step 6: Final answer
    x = 940,168.71

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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.