Home / 1,231,805.25-1,687,544.97-1,185,751.80

Finding the Fourth Proportional to 1,231,805.25, 1,687,544.97 and 1,185,751.80

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Solution

The fourth proportional to 1,231,805.25, 1,687,544.97 and 1,185,751.80 is: 1,624,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,805.25 : 1,687,544.97 = 1,185,751.80 : x
  2. Step 2: Convert to fraction form
    1,231,805.25/1,687,544.97 = 1,185,751.80/x
  3. Step 3: Cross multiply
    1,231,805.25x = 1,687,544.97 × 1,185,751.80
  4. Step 4: Simplify right side
    1,231,805.25x = 2,001,009,485,758.45
  5. Step 5: Solve for x
    x = 2,001,009,485,758.45/1,231,805.25
  6. Step 6: Final answer
    x = 1,624,452.80

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.