Home / 1,489,149.70-2,233,724.55-1,241,143.90

Finding the Fourth Proportional to 1,489,149.70, 2,233,724.55 and 1,241,143.90

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Solution

The fourth proportional to 1,489,149.70, 2,233,724.55 and 1,241,143.90 is: 1,861,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,149.70 : 2,233,724.55 = 1,241,143.90 : x
  2. Step 2: Convert to fraction form
    1,489,149.70/2,233,724.55 = 1,241,143.90/x
  3. Step 3: Cross multiply
    1,489,149.70x = 2,233,724.55 × 1,241,143.90
  4. Step 4: Simplify right side
    1,489,149.70x = 2,772,373,599,512.74
  5. Step 5: Solve for x
    x = 2,772,373,599,512.74/1,489,149.70
  6. Step 6: Final answer
    x = 1,861,715.85

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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.