Home / 1,170,399.25-1,615,282.46-661,134.43

Finding the Fourth Proportional to 1,170,399.25, 1,615,282.46 and 661,134.43

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Solution

The fourth proportional to 1,170,399.25, 1,615,282.46 and 661,134.43 is: 912,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,399.25 : 1,615,282.46 = 661,134.43 : x
  2. Step 2: Convert to fraction form
    1,170,399.25/1,615,282.46 = 661,134.43/x
  3. Step 3: Cross multiply
    1,170,399.25x = 1,615,282.46 × 661,134.43
  4. Step 4: Simplify right side
    1,170,399.25x = 1,067,918,848,481.10
  5. Step 5: Solve for x
    x = 1,067,918,848,481.10/1,170,399.25
  6. Step 6: Final answer
    x = 912,439.79

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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.