Home / 1,300,427.22-1,794,517.38-727,356.69

Finding the Fourth Proportional to 1,300,427.22, 1,794,517.38 and 727,356.69

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Solution

The fourth proportional to 1,300,427.22, 1,794,517.38 and 727,356.69 is: 1,003,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,427.22 : 1,794,517.38 = 727,356.69 : x
  2. Step 2: Convert to fraction form
    1,300,427.22/1,794,517.38 = 727,356.69/x
  3. Step 3: Cross multiply
    1,300,427.22x = 1,794,517.38 × 727,356.69
  4. Step 4: Simplify right side
    1,300,427.22x = 1,305,254,221,664.27
  5. Step 5: Solve for x
    x = 1,305,254,221,664.27/1,300,427.22
  6. Step 6: Final answer
    x = 1,003,711.86

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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.