Home / 1,373,142.55-2,059,432.25-519,919.87

Finding the Fourth Proportional to 1,373,142.55, 2,059,432.25 and 519,919.87

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Solution

The fourth proportional to 1,373,142.55, 2,059,432.25 and 519,919.87 is: 779,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,142.55 : 2,059,432.25 = 519,919.87 : x
  2. Step 2: Convert to fraction form
    1,373,142.55/2,059,432.25 = 519,919.87/x
  3. Step 3: Cross multiply
    1,373,142.55x = 2,059,432.25 × 519,919.87
  4. Step 4: Simplify right side
    1,373,142.55x = 1,070,739,747,693.81
  5. Step 5: Solve for x
    x = 1,070,739,747,693.81/1,373,142.55
  6. Step 6: Final answer
    x = 779,773.19

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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.