Home / 1,123,362.80-1,685,044.20-449,548.10

Finding the Fourth Proportional to 1,123,362.80, 1,685,044.20 and 449,548.10

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Solution

The fourth proportional to 1,123,362.80, 1,685,044.20 and 449,548.10 is: 674,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,362.80 : 1,685,044.20 = 449,548.10 : x
  2. Step 2: Convert to fraction form
    1,123,362.80/1,685,044.20 = 449,548.10/x
  3. Step 3: Cross multiply
    1,123,362.80x = 1,685,044.20 × 449,548.10
  4. Step 4: Simplify right side
    1,123,362.80x = 757,508,418,526.02
  5. Step 5: Solve for x
    x = 757,508,418,526.02/1,123,362.80
  6. Step 6: Final answer
    x = 674,322.15

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Double scale
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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.