Home / 1,100,375.76-1,518,788.68-670,892.72

Finding the Fourth Proportional to 1,100,375.76, 1,518,788.68 and 670,892.72

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Solution

The fourth proportional to 1,100,375.76, 1,518,788.68 and 670,892.72 is: 925,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,375.76 : 1,518,788.68 = 670,892.72 : x
  2. Step 2: Convert to fraction form
    1,100,375.76/1,518,788.68 = 670,892.72/x
  3. Step 3: Cross multiply
    1,100,375.76x = 1,518,788.68 × 670,892.72
  4. Step 4: Simplify right side
    1,100,375.76x = 1,018,944,268,630.41
  5. Step 5: Solve for x
    x = 1,018,944,268,630.41/1,100,375.76
  6. Step 6: Final answer
    x = 925,996.65

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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.