Home / 1,760,330.40-2,642,245.20-862,785.60

Finding the Fourth Proportional to 1,760,330.40, 2,642,245.20 and 862,785.60

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Solution

The fourth proportional to 1,760,330.40, 2,642,245.20 and 862,785.60 is: 1,295,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,330.40 : 2,642,245.20 = 862,785.60 : x
  2. Step 2: Convert to fraction form
    1,760,330.40/2,642,245.20 = 862,785.60/x
  3. Step 3: Cross multiply
    1,760,330.40x = 2,642,245.20 × 862,785.60
  4. Step 4: Simplify right side
    1,760,330.40x = 2,279,691,110,229.12
  5. Step 5: Solve for x
    x = 2,279,691,110,229.12/1,760,330.40
  6. Step 6: Final answer
    x = 1,295,035.93

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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.