Home / 1,181,175.04-1,769,103.51-827,766.78

Finding the Fourth Proportional to 1,181,175.04, 1,769,103.51 and 827,766.78

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Solution

The fourth proportional to 1,181,175.04, 1,769,103.51 and 827,766.78 is: 1,239,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,175.04 : 1,769,103.51 = 827,766.78 : x
  2. Step 2: Convert to fraction form
    1,181,175.04/1,769,103.51 = 827,766.78/x
  3. Step 3: Cross multiply
    1,181,175.04x = 1,769,103.51 × 827,766.78
  4. Step 4: Simplify right side
    1,181,175.04x = 1,464,405,115,959.40
  5. Step 5: Solve for x
    x = 1,464,405,115,959.40/1,181,175.04
  6. Step 6: Final answer
    x = 1,239,786.71

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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.