Home / 1,682,243.92-2,321,430.60-918,296.56

Finding the Fourth Proportional to 1,682,243.92, 2,321,430.60 and 918,296.56

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Solution

The fourth proportional to 1,682,243.92, 2,321,430.60 and 918,296.56 is: 1,267,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,243.92 : 2,321,430.60 = 918,296.56 : x
  2. Step 2: Convert to fraction form
    1,682,243.92/2,321,430.60 = 918,296.56/x
  3. Step 3: Cross multiply
    1,682,243.92x = 2,321,430.60 × 918,296.56
  4. Step 4: Simplify right side
    1,682,243.92x = 2,131,761,734,258.74
  5. Step 5: Solve for x
    x = 2,131,761,734,258.74/1,682,243.92
  6. Step 6: Final answer
    x = 1,267,213.22

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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.