Home / 1,123,222.80-1,684,834.20-449,626.80

Finding the Fourth Proportional to 1,123,222.80, 1,684,834.20 and 449,626.80

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Solution

The fourth proportional to 1,123,222.80, 1,684,834.20 and 449,626.80 is: 674,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,222.80 : 1,684,834.20 = 449,626.80 : x
  2. Step 2: Convert to fraction form
    1,123,222.80/1,684,834.20 = 449,626.80/x
  3. Step 3: Cross multiply
    1,123,222.80x = 1,684,834.20 × 449,626.80
  4. Step 4: Simplify right side
    1,123,222.80x = 757,546,609,876.56
  5. Step 5: Solve for x
    x = 757,546,609,876.56/1,123,222.80
  6. Step 6: Final answer
    x = 674,440.20

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Double scale
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Similar ratio
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1.5x scale

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.