Home / 1,270,734.54-1,753,605.75-726,879.40

Finding the Fourth Proportional to 1,270,734.54, 1,753,605.75 and 726,879.40

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Solution

The fourth proportional to 1,270,734.54, 1,753,605.75 and 726,879.40 is: 1,003,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,734.54 : 1,753,605.75 = 726,879.40 : x
  2. Step 2: Convert to fraction form
    1,270,734.54/1,753,605.75 = 726,879.40/x
  3. Step 3: Cross multiply
    1,270,734.54x = 1,753,605.75 × 726,879.40
  4. Step 4: Simplify right side
    1,270,734.54x = 1,274,659,886,628.52
  5. Step 5: Solve for x
    x = 1,274,659,886,628.52/1,270,734.54
  6. Step 6: Final answer
    x = 1,003,089.04

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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.