Home / 1,538,507.32-2,308,273.68-969,231.20

Finding the Fourth Proportional to 1,538,507.32, 2,308,273.68 and 969,231.20

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Solution

The fourth proportional to 1,538,507.32, 2,308,273.68 and 969,231.20 is: 1,454,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,507.32 : 2,308,273.68 = 969,231.20 : x
  2. Step 2: Convert to fraction form
    1,538,507.32/2,308,273.68 = 969,231.20/x
  3. Step 3: Cross multiply
    1,538,507.32x = 2,308,273.68 × 969,231.20
  4. Step 4: Simplify right side
    1,538,507.32x = 2,237,250,868,794.82
  5. Step 5: Solve for x
    x = 2,237,250,868,794.82/1,538,507.32
  6. Step 6: Final answer
    x = 1,454,169.79

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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.