Home / 1,267,739.30-1,749,470.19-694,778.11

Finding the Fourth Proportional to 1,267,739.30, 1,749,470.19 and 694,778.11

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Solution

The fourth proportional to 1,267,739.30, 1,749,470.19 and 694,778.11 is: 958,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,739.30 : 1,749,470.19 = 694,778.11 : x
  2. Step 2: Convert to fraction form
    1,267,739.30/1,749,470.19 = 694,778.11/x
  3. Step 3: Cross multiply
    1,267,739.30x = 1,749,470.19 × 694,778.11
  4. Step 4: Simplify right side
    1,267,739.30x = 1,215,493,583,362.19
  5. Step 5: Solve for x
    x = 1,215,493,583,362.19/1,267,739.30
  6. Step 6: Final answer
    x = 958,788.28

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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.