Home / 1,381,371.84-2,072,320.20-483,068.88

Finding the Fourth Proportional to 1,381,371.84, 2,072,320.20 and 483,068.88

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Solution

The fourth proportional to 1,381,371.84, 2,072,320.20 and 483,068.88 is: 724,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,371.84 : 2,072,320.20 = 483,068.88 : x
  2. Step 2: Convert to fraction form
    1,381,371.84/2,072,320.20 = 483,068.88/x
  3. Step 3: Cross multiply
    1,381,371.84x = 2,072,320.20 × 483,068.88
  4. Step 4: Simplify right side
    1,381,371.84x = 1,001,073,398,015.38
  5. Step 5: Solve for x
    x = 1,001,073,398,015.38/1,381,371.84
  6. Step 6: Final answer
    x = 724,695.10

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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.