Home / 1,198,185.92-1,797,531.40-388,507.22

Finding the Fourth Proportional to 1,198,185.92, 1,797,531.40 and 388,507.22

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Solution

The fourth proportional to 1,198,185.92, 1,797,531.40 and 388,507.22 is: 582,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,185.92 : 1,797,531.40 = 388,507.22 : x
  2. Step 2: Convert to fraction form
    1,198,185.92/1,797,531.40 = 388,507.22/x
  3. Step 3: Cross multiply
    1,198,185.92x = 1,797,531.40 × 388,507.22
  4. Step 4: Simplify right side
    1,198,185.92x = 698,353,927,076.71
  5. Step 5: Solve for x
    x = 698,353,927,076.71/1,198,185.92
  6. Step 6: Final answer
    x = 582,842.71

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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.