Home / 1,815,678-2,722,729.26-617,278.44

Finding the Fourth Proportional to 1,815,678, 2,722,729.26 and 617,278.44

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Solution

The fourth proportional to 1,815,678, 2,722,729.26 and 617,278.44 is: 925,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,678 : 2,722,729.26 = 617,278.44 : x
  2. Step 2: Convert to fraction form
    1,815,678/2,722,729.26 = 617,278.44/x
  3. Step 3: Cross multiply
    1,815,678x = 2,722,729.26 × 617,278.44
  4. Step 4: Simplify right side
    1,815,678x = 1,680,682,070,155.15
  5. Step 5: Solve for x
    x = 1,680,682,070,155.15/1,815,678
  6. Step 6: Final answer
    x = 925,649.85

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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.