Home / 1,380,576.64-2,071,363.36-482,150.72

Finding the Fourth Proportional to 1,380,576.64, 2,071,363.36 and 482,150.72

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Solution

The fourth proportional to 1,380,576.64, 2,071,363.36 and 482,150.72 is: 723,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,576.64 : 2,071,363.36 = 482,150.72 : x
  2. Step 2: Convert to fraction form
    1,380,576.64/2,071,363.36 = 482,150.72/x
  3. Step 3: Cross multiply
    1,380,576.64x = 2,071,363.36 × 482,150.72
  4. Step 4: Simplify right side
    1,380,576.64x = 998,709,335,405.62
  5. Step 5: Solve for x
    x = 998,709,335,405.62/1,380,576.64
  6. Step 6: Final answer
    x = 723,400.14

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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.