Home / 1,211,003.22-1,672,884.18-1,147,230.30

Finding the Fourth Proportional to 1,211,003.22, 1,672,884.18 and 1,147,230.30

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Solution

The fourth proportional to 1,211,003.22, 1,672,884.18 and 1,147,230.30 is: 1,584,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,003.22 : 1,672,884.18 = 1,147,230.30 : x
  2. Step 2: Convert to fraction form
    1,211,003.22/1,672,884.18 = 1,147,230.30/x
  3. Step 3: Cross multiply
    1,211,003.22x = 1,672,884.18 × 1,147,230.30
  4. Step 4: Simplify right side
    1,211,003.22x = 1,919,183,419,686.65
  5. Step 5: Solve for x
    x = 1,919,183,419,686.65/1,211,003.22
  6. Step 6: Final answer
    x = 1,584,788.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.