Home / 1,247,023.11-1,720,899.78-674,061.93

Finding the Fourth Proportional to 1,247,023.11, 1,720,899.78 and 674,061.93

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Solution

The fourth proportional to 1,247,023.11, 1,720,899.78 and 674,061.93 is: 930,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,023.11 : 1,720,899.78 = 674,061.93 : x
  2. Step 2: Convert to fraction form
    1,247,023.11/1,720,899.78 = 674,061.93/x
  3. Step 3: Cross multiply
    1,247,023.11x = 1,720,899.78 × 674,061.93
  4. Step 4: Simplify right side
    1,247,023.11x = 1,159,993,027,043.38
  5. Step 5: Solve for x
    x = 1,159,993,027,043.38/1,247,023.11
  6. Step 6: Final answer
    x = 930,209.73

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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.