Home / 1,246,961.72-1,720,806.14-674,001.89

Finding the Fourth Proportional to 1,246,961.72, 1,720,806.14 and 674,001.89

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Solution

The fourth proportional to 1,246,961.72, 1,720,806.14 and 674,001.89 is: 930,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,961.72 : 1,720,806.14 = 674,001.89 : x
  2. Step 2: Convert to fraction form
    1,246,961.72/1,720,806.14 = 674,001.89/x
  3. Step 3: Cross multiply
    1,246,961.72x = 1,720,806.14 × 674,001.89
  4. Step 4: Simplify right side
    1,246,961.72x = 1,159,826,578,709.56
  5. Step 5: Solve for x
    x = 1,159,826,578,709.56/1,246,961.72
  6. Step 6: Final answer
    x = 930,122.04

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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.