Home / 885,820.20-1,325,231.10-768,791.40

Finding the Fourth Proportional to 885,820.20, 1,325,231.10 and 768,791.40

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Solution

The fourth proportional to 885,820.20, 1,325,231.10 and 768,791.40 is: 1,150,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,820.20 : 1,325,231.10 = 768,791.40 : x
  2. Step 2: Convert to fraction form
    885,820.20/1,325,231.10 = 768,791.40/x
  3. Step 3: Cross multiply
    885,820.20x = 1,325,231.10 × 768,791.40
  4. Step 4: Simplify right side
    885,820.20x = 1,018,826,272,692.54
  5. Step 5: Solve for x
    x = 1,018,826,272,692.54/885,820.20
  6. Step 6: Final answer
    x = 1,150,150.19

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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.