Home / 1,479,679.20-2,219,518.80-807,832.80

Finding the Fourth Proportional to 1,479,679.20, 2,219,518.80 and 807,832.80

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Solution

The fourth proportional to 1,479,679.20, 2,219,518.80 and 807,832.80 is: 1,211,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,679.20 : 2,219,518.80 = 807,832.80 : x
  2. Step 2: Convert to fraction form
    1,479,679.20/2,219,518.80 = 807,832.80/x
  3. Step 3: Cross multiply
    1,479,679.20x = 2,219,518.80 × 807,832.80
  4. Step 4: Simplify right side
    1,479,679.20x = 1,793,000,086,856.64
  5. Step 5: Solve for x
    x = 1,793,000,086,856.64/1,479,679.20
  6. Step 6: Final answer
    x = 1,211,749.20

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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.