Home / 1,178,430.12-1,766,273.85-673,344.90

Finding the Fourth Proportional to 1,178,430.12, 1,766,273.85 and 673,344.90

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Solution

The fourth proportional to 1,178,430.12, 1,766,273.85 and 673,344.90 is: 1,009,233.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,430.12 : 1,766,273.85 = 673,344.90 : x
  2. Step 2: Convert to fraction form
    1,178,430.12/1,766,273.85 = 673,344.90/x
  3. Step 3: Cross multiply
    1,178,430.12x = 1,766,273.85 × 673,344.90
  4. Step 4: Simplify right side
    1,178,430.12x = 1,189,311,488,900.87
  5. Step 5: Solve for x
    x = 1,189,311,488,900.87/1,178,430.12
  6. Step 6: Final answer
    x = 1,009,233.78

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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.