Home / 1,605,259-2,215,257.42-926,195.50

Finding the Fourth Proportional to 1,605,259, 2,215,257.42 and 926,195.50

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Solution

The fourth proportional to 1,605,259, 2,215,257.42 and 926,195.50 is: 1,278,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,259 : 2,215,257.42 = 926,195.50 : x
  2. Step 2: Convert to fraction form
    1,605,259/2,215,257.42 = 926,195.50/x
  3. Step 3: Cross multiply
    1,605,259x = 2,215,257.42 × 926,195.50
  4. Step 4: Simplify right side
    1,605,259x = 2,051,761,453,745.61
  5. Step 5: Solve for x
    x = 2,051,761,453,745.61/1,605,259
  6. Step 6: Final answer
    x = 1,278,149.79

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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.