Home / 1,208,294.01-1,667,402.21-664,424.78

Finding the Fourth Proportional to 1,208,294.01, 1,667,402.21 and 664,424.78

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Solution

The fourth proportional to 1,208,294.01, 1,667,402.21 and 664,424.78 is: 916,882.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,294.01 : 1,667,402.21 = 664,424.78 : x
  2. Step 2: Convert to fraction form
    1,208,294.01/1,667,402.21 = 664,424.78/x
  3. Step 3: Cross multiply
    1,208,294.01x = 1,667,402.21 × 664,424.78
  4. Step 4: Simplify right side
    1,208,294.01x = 1,107,863,339,874.81
  5. Step 5: Solve for x
    x = 1,107,863,339,874.81/1,208,294.01
  6. Step 6: Final answer
    x = 916,882.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.