Home / 1,292,754.80-1,940,017.92-451,306.52

Finding the Fourth Proportional to 1,292,754.80, 1,940,017.92 and 451,306.52

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Solution

The fourth proportional to 1,292,754.80, 1,940,017.92 and 451,306.52 is: 677,268.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,754.80 : 1,940,017.92 = 451,306.52 : x
  2. Step 2: Convert to fraction form
    1,292,754.80/1,940,017.92 = 451,306.52/x
  3. Step 3: Cross multiply
    1,292,754.80x = 1,940,017.92 × 451,306.52
  4. Step 4: Simplify right side
    1,292,754.80x = 875,542,736,212.84
  5. Step 5: Solve for x
    x = 875,542,736,212.84/1,292,754.80
  6. Step 6: Final answer
    x = 677,268.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.