Home / 1,299,752.30-1,793,707.11-726,791.11

Finding the Fourth Proportional to 1,299,752.30, 1,793,707.11 and 726,791.11

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Solution

The fourth proportional to 1,299,752.30, 1,793,707.11 and 726,791.11 is: 1,002,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,752.30 : 1,793,707.11 = 726,791.11 : x
  2. Step 2: Convert to fraction form
    1,299,752.30/1,793,707.11 = 726,791.11/x
  3. Step 3: Cross multiply
    1,299,752.30x = 1,793,707.11 × 726,791.11
  4. Step 4: Simplify right side
    1,299,752.30x = 1,303,650,381,491.79
  5. Step 5: Solve for x
    x = 1,303,650,381,491.79/1,299,752.30
  6. Step 6: Final answer
    x = 1,002,999.10

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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.