Home / 838,280.20-1,251,334.16-775,832.44

Finding the Fourth Proportional to 838,280.20, 1,251,334.16 and 775,832.44

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Solution

The fourth proportional to 838,280.20, 1,251,334.16 and 775,832.44 is: 1,158,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,280.20 : 1,251,334.16 = 775,832.44 : x
  2. Step 2: Convert to fraction form
    838,280.20/1,251,334.16 = 775,832.44/x
  3. Step 3: Cross multiply
    838,280.20x = 1,251,334.16 × 775,832.44
  4. Step 4: Simplify right side
    838,280.20x = 970,825,634,608.15
  5. Step 5: Solve for x
    x = 970,825,634,608.15/838,280.20
  6. Step 6: Final answer
    x = 1,158,115.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.