Home / 1,247,313.61-1,721,296.97-674,357.86

Finding the Fourth Proportional to 1,247,313.61, 1,721,296.97 and 674,357.86

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Solution

The fourth proportional to 1,247,313.61, 1,721,296.97 and 674,357.86 is: 930,616.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,313.61 : 1,721,296.97 = 674,357.86 : x
  2. Step 2: Convert to fraction form
    1,247,313.61/1,721,296.97 = 674,357.86/x
  3. Step 3: Cross multiply
    1,247,313.61x = 1,721,296.97 × 674,357.86
  4. Step 4: Simplify right side
    1,247,313.61x = 1,160,770,141,113.68
  5. Step 5: Solve for x
    x = 1,160,770,141,113.68/1,247,313.61
  6. Step 6: Final answer
    x = 930,616.11

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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.