Home / 1,126,548.38-1,693,365.52-978,630.64

Finding the Fourth Proportional to 1,126,548.38, 1,693,365.52 and 978,630.64

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Solution

The fourth proportional to 1,126,548.38, 1,693,365.52 and 978,630.64 is: 1,471,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,548.38 : 1,693,365.52 = 978,630.64 : x
  2. Step 2: Convert to fraction form
    1,126,548.38/1,693,365.52 = 978,630.64/x
  3. Step 3: Cross multiply
    1,126,548.38x = 1,693,365.52 × 978,630.64
  4. Step 4: Simplify right side
    1,126,548.38x = 1,657,179,382,591.53
  5. Step 5: Solve for x
    x = 1,657,179,382,591.53/1,126,548.38
  6. Step 6: Final answer
    x = 1,471,023.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.