Home / 1,961,078.92-2,940,860.22-762,839.44

Finding the Fourth Proportional to 1,961,078.92, 2,940,860.22 and 762,839.44

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Solution

The fourth proportional to 1,961,078.92, 2,940,860.22 and 762,839.44 is: 1,143,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,078.92 : 2,940,860.22 = 762,839.44 : x
  2. Step 2: Convert to fraction form
    1,961,078.92/2,940,860.22 = 762,839.44/x
  3. Step 3: Cross multiply
    1,961,078.92x = 2,940,860.22 × 762,839.44
  4. Step 4: Simplify right side
    1,961,078.92x = 2,243,404,163,343.08
  5. Step 5: Solve for x
    x = 2,243,404,163,343.08/1,961,078.92
  6. Step 6: Final answer
    x = 1,143,964.24

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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.