Home / 1,149,218.40-1,723,250.82-669,601.20

Finding the Fourth Proportional to 1,149,218.40, 1,723,250.82 and 669,601.20

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Solution

The fourth proportional to 1,149,218.40, 1,723,250.82 and 669,601.20 is: 1,004,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,218.40 : 1,723,250.82 = 669,601.20 : x
  2. Step 2: Convert to fraction form
    1,149,218.40/1,723,250.82 = 669,601.20/x
  3. Step 3: Cross multiply
    1,149,218.40x = 1,723,250.82 × 669,601.20
  4. Step 4: Simplify right side
    1,149,218.40x = 1,153,890,816,972.98
  5. Step 5: Solve for x
    x = 1,153,890,816,972.98/1,149,218.40
  6. Step 6: Final answer
    x = 1,004,065.73

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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.