Home / 1,299,961.86-1,793,941.20-727,004.31

Finding the Fourth Proportional to 1,299,961.86, 1,793,941.20 and 727,004.31

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Solution

The fourth proportional to 1,299,961.86, 1,793,941.20 and 727,004.31 is: 1,003,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,961.86 : 1,793,941.20 = 727,004.31 : x
  2. Step 2: Convert to fraction form
    1,299,961.86/1,793,941.20 = 727,004.31/x
  3. Step 3: Cross multiply
    1,299,961.86x = 1,793,941.20 × 727,004.31
  4. Step 4: Simplify right side
    1,299,961.86x = 1,304,202,984,286.57
  5. Step 5: Solve for x
    x = 1,304,202,984,286.57/1,299,961.86
  6. Step 6: Final answer
    x = 1,003,262.50

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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.