Home / 1,242,255.68-1,863,867.36-494,377.28

Finding the Fourth Proportional to 1,242,255.68, 1,863,867.36 and 494,377.28

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Solution

The fourth proportional to 1,242,255.68, 1,863,867.36 and 494,377.28 is: 741,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,255.68 : 1,863,867.36 = 494,377.28 : x
  2. Step 2: Convert to fraction form
    1,242,255.68/1,863,867.36 = 494,377.28/x
  3. Step 3: Cross multiply
    1,242,255.68x = 1,863,867.36 × 494,377.28
  4. Step 4: Simplify right side
    1,242,255.68x = 921,453,675,717.58
  5. Step 5: Solve for x
    x = 921,453,675,717.58/1,242,255.68
  6. Step 6: Final answer
    x = 741,758.47

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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.