Home / 1,123,450.26-1,685,138.48-449,350.54

Finding the Fourth Proportional to 1,123,450.26, 1,685,138.48 and 449,350.54

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Solution

The fourth proportional to 1,123,450.26, 1,685,138.48 and 449,350.54 is: 674,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,450.26 : 1,685,138.48 = 449,350.54 : x
  2. Step 2: Convert to fraction form
    1,123,450.26/1,685,138.48 = 449,350.54/x
  3. Step 3: Cross multiply
    1,123,450.26x = 1,685,138.48 × 449,350.54
  4. Step 4: Simplify right side
    1,123,450.26x = 757,217,881,188.25
  5. Step 5: Solve for x
    x = 757,217,881,188.25/1,123,450.26
  6. Step 6: Final answer
    x = 674,011.04

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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.