Home / 1,381,840.40-2,072,760.60-482,983.40

Finding the Fourth Proportional to 1,381,840.40, 2,072,760.60 and 482,983.40

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Solution

The fourth proportional to 1,381,840.40, 2,072,760.60 and 482,983.40 is: 724,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,840.40 : 2,072,760.60 = 482,983.40 : x
  2. Step 2: Convert to fraction form
    1,381,840.40/2,072,760.60 = 482,983.40/x
  3. Step 3: Cross multiply
    1,381,840.40x = 2,072,760.60 × 482,983.40
  4. Step 4: Simplify right side
    1,381,840.40x = 1,001,108,961,974.04
  5. Step 5: Solve for x
    x = 1,001,108,961,974.04/1,381,840.40
  6. Step 6: Final answer
    x = 724,475.10

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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.