Home / 1,100,850.32-1,519,224.60-687,631.80

Finding the Fourth Proportional to 1,100,850.32, 1,519,224.60 and 687,631.80

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Solution

The fourth proportional to 1,100,850.32, 1,519,224.60 and 687,631.80 is: 948,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,850.32 : 1,519,224.60 = 687,631.80 : x
  2. Step 2: Convert to fraction form
    1,100,850.32/1,519,224.60 = 687,631.80/x
  3. Step 3: Cross multiply
    1,100,850.32x = 1,519,224.60 × 687,631.80
  4. Step 4: Simplify right side
    1,100,850.32x = 1,044,667,146,302.28
  5. Step 5: Solve for x
    x = 1,044,667,146,302.28/1,100,850.32
  6. Step 6: Final answer
    x = 948,963.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.