Home / 1,027,507.97-1,540,080.96-690,141.35

Finding the Fourth Proportional to 1,027,507.97, 1,540,080.96 and 690,141.35

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Solution

The fourth proportional to 1,027,507.97, 1,540,080.96 and 690,141.35 is: 1,034,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,507.97 : 1,540,080.96 = 690,141.35 : x
  2. Step 2: Convert to fraction form
    1,027,507.97/1,540,080.96 = 690,141.35/x
  3. Step 3: Cross multiply
    1,027,507.97x = 1,540,080.96 × 690,141.35
  4. Step 4: Simplify right side
    1,027,507.97x = 1,062,873,545,143.29
  5. Step 5: Solve for x
    x = 1,062,873,545,143.29/1,027,507.97
  6. Step 6: Final answer
    x = 1,034,418.79

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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.