Home / 1,182,801.30-1,631,750.79-723,936.30

Finding the Fourth Proportional to 1,182,801.30, 1,631,750.79 and 723,936.30

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Solution

The fourth proportional to 1,182,801.30, 1,631,750.79 and 723,936.30 is: 998,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,801.30 : 1,631,750.79 = 723,936.30 : x
  2. Step 2: Convert to fraction form
    1,182,801.30/1,631,750.79 = 723,936.30/x
  3. Step 3: Cross multiply
    1,182,801.30x = 1,631,750.79 × 723,936.30
  4. Step 4: Simplify right side
    1,182,801.30x = 1,181,283,629,434.68
  5. Step 5: Solve for x
    x = 1,181,283,629,434.68/1,182,801.30
  6. Step 6: Final answer
    x = 998,716.88

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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.