Home / 1,111,687.31-1,667,122.51-382,003.60

Finding the Fourth Proportional to 1,111,687.31, 1,667,122.51 and 382,003.60

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Solution

The fourth proportional to 1,111,687.31, 1,667,122.51 and 382,003.60 is: 572,865.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,687.31 : 1,667,122.51 = 382,003.60 : x
  2. Step 2: Convert to fraction form
    1,111,687.31/1,667,122.51 = 382,003.60/x
  3. Step 3: Cross multiply
    1,111,687.31x = 1,667,122.51 × 382,003.60
  4. Step 4: Simplify right side
    1,111,687.31x = 636,846,790,215.41
  5. Step 5: Solve for x
    x = 636,846,790,215.41/1,111,687.31
  6. Step 6: Final answer
    x = 572,865.04

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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.