Home / 1,331,672.76-1,837,726.74-787,794.57

Finding the Fourth Proportional to 1,331,672.76, 1,837,726.74 and 787,794.57

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Solution

The fourth proportional to 1,331,672.76, 1,837,726.74 and 787,794.57 is: 1,087,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,672.76 : 1,837,726.74 = 787,794.57 : x
  2. Step 2: Convert to fraction form
    1,331,672.76/1,837,726.74 = 787,794.57/x
  3. Step 3: Cross multiply
    1,331,672.76x = 1,837,726.74 × 787,794.57
  4. Step 4: Simplify right side
    1,331,672.76x = 1,447,751,146,915.80
  5. Step 5: Solve for x
    x = 1,447,751,146,915.80/1,331,672.76
  6. Step 6: Final answer
    x = 1,087,167.35

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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.