Home / 1,961,076.92-2,940,857.22-762,837.44

Finding the Fourth Proportional to 1,961,076.92, 2,940,857.22 and 762,837.44

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Solution

The fourth proportional to 1,961,076.92, 2,940,857.22 and 762,837.44 is: 1,143,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,076.92 : 2,940,857.22 = 762,837.44 : x
  2. Step 2: Convert to fraction form
    1,961,076.92/2,940,857.22 = 762,837.44/x
  3. Step 3: Cross multiply
    1,961,076.92x = 2,940,857.22 × 762,837.44
  4. Step 4: Simplify right side
    1,961,076.92x = 2,243,395,993,110.32
  5. Step 5: Solve for x
    x = 2,243,395,993,110.32/1,961,076.92
  6. Step 6: Final answer
    x = 1,143,961.24

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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.