Home / 1,217,722.20-1,826,583.30-744,163.80

Finding the Fourth Proportional to 1,217,722.20, 1,826,583.30 and 744,163.80

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Solution

The fourth proportional to 1,217,722.20, 1,826,583.30 and 744,163.80 is: 1,116,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,722.20 : 1,826,583.30 = 744,163.80 : x
  2. Step 2: Convert to fraction form
    1,217,722.20/1,826,583.30 = 744,163.80/x
  3. Step 3: Cross multiply
    1,217,722.20x = 1,826,583.30 × 744,163.80
  4. Step 4: Simplify right side
    1,217,722.20x = 1,359,277,169,544.54
  5. Step 5: Solve for x
    x = 1,359,277,169,544.54/1,217,722.20
  6. Step 6: Final answer
    x = 1,116,245.70

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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.