Home / 1,538,481.21-2,123,092.46-850,199.49

Finding the Fourth Proportional to 1,538,481.21, 2,123,092.46 and 850,199.49

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Solution

The fourth proportional to 1,538,481.21, 2,123,092.46 and 850,199.49 is: 1,173,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,481.21 : 2,123,092.46 = 850,199.49 : x
  2. Step 2: Convert to fraction form
    1,538,481.21/2,123,092.46 = 850,199.49/x
  3. Step 3: Cross multiply
    1,538,481.21x = 2,123,092.46 × 850,199.49
  4. Step 4: Simplify right side
    1,538,481.21x = 1,805,052,122,463.85
  5. Step 5: Solve for x
    x = 1,805,052,122,463.85/1,538,481.21
  6. Step 6: Final answer
    x = 1,173,268.88

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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.