Home / 1,178,481.08-1,766,350.68-673,396.16

Finding the Fourth Proportional to 1,178,481.08, 1,766,350.68 and 673,396.16

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Solution

The fourth proportional to 1,178,481.08, 1,766,350.68 and 673,396.16 is: 1,009,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,481.08 : 1,766,350.68 = 673,396.16 : x
  2. Step 2: Convert to fraction form
    1,178,481.08/1,766,350.68 = 673,396.16/x
  3. Step 3: Cross multiply
    1,178,481.08x = 1,766,350.68 × 673,396.16
  4. Step 4: Simplify right side
    1,178,481.08x = 1,189,453,765,125.39
  5. Step 5: Solve for x
    x = 1,189,453,765,125.39/1,178,481.08
  6. Step 6: Final answer
    x = 1,009,310.87

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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.