Home / 1,344,333.80-1,855,311.38-1,004,211.56

Finding the Fourth Proportional to 1,344,333.80, 1,855,311.38 and 1,004,211.56

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Solution

The fourth proportional to 1,344,333.80, 1,855,311.38 and 1,004,211.56 is: 1,385,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,333.80 : 1,855,311.38 = 1,004,211.56 : x
  2. Step 2: Convert to fraction form
    1,344,333.80/1,855,311.38 = 1,004,211.56/x
  3. Step 3: Cross multiply
    1,344,333.80x = 1,855,311.38 × 1,004,211.56
  4. Step 4: Simplify right side
    1,344,333.80x = 1,863,125,135,195.55
  5. Step 5: Solve for x
    x = 1,863,125,135,195.55/1,344,333.80
  6. Step 6: Final answer
    x = 1,385,909.61

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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.