Home / 1,254,471.12-1,731,182.31-681,515.40

Finding the Fourth Proportional to 1,254,471.12, 1,731,182.31 and 681,515.40

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Solution

The fourth proportional to 1,254,471.12, 1,731,182.31 and 681,515.40 is: 940,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,471.12 : 1,731,182.31 = 681,515.40 : x
  2. Step 2: Convert to fraction form
    1,254,471.12/1,731,182.31 = 681,515.40/x
  3. Step 3: Cross multiply
    1,254,471.12x = 1,731,182.31 × 681,515.40
  4. Step 4: Simplify right side
    1,254,471.12x = 1,179,827,404,472.57
  5. Step 5: Solve for x
    x = 1,179,827,404,472.57/1,254,471.12
  6. Step 6: Final answer
    x = 940,497.86

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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.