Home / 1,123,964.65-1,685,503.19-449,920.31

Finding the Fourth Proportional to 1,123,964.65, 1,685,503.19 and 449,920.31

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Solution

The fourth proportional to 1,123,964.65, 1,685,503.19 and 449,920.31 is: 674,702.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,964.65 : 1,685,503.19 = 449,920.31 : x
  2. Step 2: Convert to fraction form
    1,123,964.65/1,685,503.19 = 449,920.31/x
  3. Step 3: Cross multiply
    1,123,964.65x = 1,685,503.19 × 449,920.31
  4. Step 4: Simplify right side
    1,123,964.65x = 758,342,117,750.79
  5. Step 5: Solve for x
    x = 758,342,117,750.79/1,123,964.65
  6. Step 6: Final answer
    x = 674,702.82

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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.