Home / 1,381,857.40-2,072,786.10-483,000.40

Finding the Fourth Proportional to 1,381,857.40, 2,072,786.10 and 483,000.40

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Solution

The fourth proportional to 1,381,857.40, 2,072,786.10 and 483,000.40 is: 724,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,857.40 : 2,072,786.10 = 483,000.40 : x
  2. Step 2: Convert to fraction form
    1,381,857.40/2,072,786.10 = 483,000.40/x
  3. Step 3: Cross multiply
    1,381,857.40x = 2,072,786.10 × 483,000.40
  4. Step 4: Simplify right side
    1,381,857.40x = 1,001,156,515,414.44
  5. Step 5: Solve for x
    x = 1,001,156,515,414.44/1,381,857.40
  6. Step 6: Final answer
    x = 724,500.60

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Double scale
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Similar ratio
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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.