Home / 1,299,751.30-1,793,705.73-726,790.11

Finding the Fourth Proportional to 1,299,751.30, 1,793,705.73 and 726,790.11

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Solution

The fourth proportional to 1,299,751.30, 1,793,705.73 and 726,790.11 is: 1,002,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,751.30 : 1,793,705.73 = 726,790.11 : x
  2. Step 2: Convert to fraction form
    1,299,751.30/1,793,705.73 = 726,790.11/x
  3. Step 3: Cross multiply
    1,299,751.30x = 1,793,705.73 × 726,790.11
  4. Step 4: Simplify right side
    1,299,751.30x = 1,303,647,584,814.33
  5. Step 5: Solve for x
    x = 1,303,647,584,814.33/1,299,751.30
  6. Step 6: Final answer
    x = 1,002,997.72

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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.