Home / 1,381,839.19-2,072,340.51-483,113.41

Finding the Fourth Proportional to 1,381,839.19, 2,072,340.51 and 483,113.41

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Solution

The fourth proportional to 1,381,839.19, 2,072,340.51 and 483,113.41 is: 724,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,839.19 : 2,072,340.51 = 483,113.41 : x
  2. Step 2: Convert to fraction form
    1,381,839.19/2,072,340.51 = 483,113.41/x
  3. Step 3: Cross multiply
    1,381,839.19x = 2,072,340.51 × 483,113.41
  4. Step 4: Simplify right side
    1,381,839.19x = 1,001,175,485,286.39
  5. Step 5: Solve for x
    x = 1,001,175,485,286.39/1,381,839.19
  6. Step 6: Final answer
    x = 724,523.88

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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.