Home / 1,515,627.72-2,091,616.89-827,340.36

Finding the Fourth Proportional to 1,515,627.72, 2,091,616.89 and 827,340.36

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Solution

The fourth proportional to 1,515,627.72, 2,091,616.89 and 827,340.36 is: 1,141,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,627.72 : 2,091,616.89 = 827,340.36 : x
  2. Step 2: Convert to fraction form
    1,515,627.72/2,091,616.89 = 827,340.36/x
  3. Step 3: Cross multiply
    1,515,627.72x = 2,091,616.89 × 827,340.36
  4. Step 4: Simplify right side
    1,515,627.72x = 1,730,479,070,754.68
  5. Step 5: Solve for x
    x = 1,730,479,070,754.68/1,515,627.72
  6. Step 6: Final answer
    x = 1,141,757.34

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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.