Home / 1,380,400.53-2,070,351.50-482,099.09

Finding the Fourth Proportional to 1,380,400.53, 2,070,351.50 and 482,099.09

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Solution

The fourth proportional to 1,380,400.53, 2,070,351.50 and 482,099.09 is: 723,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,400.53 : 2,070,351.50 = 482,099.09 : x
  2. Step 2: Convert to fraction form
    1,380,400.53/2,070,351.50 = 482,099.09/x
  3. Step 3: Cross multiply
    1,380,400.53x = 2,070,351.50 × 482,099.09
  4. Step 4: Simplify right side
    1,380,400.53x = 998,114,573,013.61
  5. Step 5: Solve for x
    x = 998,114,573,013.61/1,380,400.53
  6. Step 6: Final answer
    x = 723,061.57

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Double scale
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1.5x scale

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.