Home / 1,622,512.40-2,238,976.41-887,321.48

Finding the Fourth Proportional to 1,622,512.40, 2,238,976.41 and 887,321.48

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Solution

The fourth proportional to 1,622,512.40, 2,238,976.41 and 887,321.48 is: 1,224,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,512.40 : 2,238,976.41 = 887,321.48 : x
  2. Step 2: Convert to fraction form
    1,622,512.40/2,238,976.41 = 887,321.48/x
  3. Step 3: Cross multiply
    1,622,512.40x = 2,238,976.41 × 887,321.48
  4. Step 4: Simplify right side
    1,622,512.40x = 1,986,691,861,806.29
  5. Step 5: Solve for x
    x = 1,986,691,861,806.29/1,622,512.40
  6. Step 6: Final answer
    x = 1,224,454.04

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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.