Home / 1,525,657.91-2,288,449.92-388,422.56

Finding the Fourth Proportional to 1,525,657.91, 2,288,449.92 and 388,422.56

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Solution

The fourth proportional to 1,525,657.91, 2,288,449.92 and 388,422.56 is: 582,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,657.91 : 2,288,449.92 = 388,422.56 : x
  2. Step 2: Convert to fraction form
    1,525,657.91/2,288,449.92 = 388,422.56/x
  3. Step 3: Cross multiply
    1,525,657.91x = 2,288,449.92 × 388,422.56
  4. Step 4: Simplify right side
    1,525,657.91x = 888,885,564,915.95
  5. Step 5: Solve for x
    x = 888,885,564,915.95/1,525,657.91
  6. Step 6: Final answer
    x = 582,624.43

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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.