Home / 1,538,654.61-2,123,232.12-850,318.23

Finding the Fourth Proportional to 1,538,654.61, 2,123,232.12 and 850,318.23

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Solution

The fourth proportional to 1,538,654.61, 2,123,232.12 and 850,318.23 is: 1,173,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,654.61 : 2,123,232.12 = 850,318.23 : x
  2. Step 2: Convert to fraction form
    1,538,654.61/2,123,232.12 = 850,318.23/x
  3. Step 3: Cross multiply
    1,538,654.61x = 2,123,232.12 × 850,318.23
  4. Step 4: Simplify right side
    1,538,654.61x = 1,805,422,978,157.55
  5. Step 5: Solve for x
    x = 1,805,422,978,157.55/1,538,654.61
  6. Step 6: Final answer
    x = 1,173,377.68

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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.