Home / 1,231,655.30-1,844,372.55-808,640.90

Finding the Fourth Proportional to 1,231,655.30, 1,844,372.55 and 808,640.90

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Solution

The fourth proportional to 1,231,655.30, 1,844,372.55 and 808,640.90 is: 1,210,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,655.30 : 1,844,372.55 = 808,640.90 : x
  2. Step 2: Convert to fraction form
    1,231,655.30/1,844,372.55 = 808,640.90/x
  3. Step 3: Cross multiply
    1,231,655.30x = 1,844,372.55 × 808,640.90
  4. Step 4: Simplify right side
    1,231,655.30x = 1,491,435,078,767.30
  5. Step 5: Solve for x
    x = 1,491,435,078,767.30/1,231,655.30
  6. Step 6: Final answer
    x = 1,210,919.22

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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.