Home / 1,271,458.33-1,754,710.86-727,764.69

Finding the Fourth Proportional to 1,271,458.33, 1,754,710.86 and 727,764.69

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Solution

The fourth proportional to 1,271,458.33, 1,754,710.86 and 727,764.69 is: 1,004,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,458.33 : 1,754,710.86 = 727,764.69 : x
  2. Step 2: Convert to fraction form
    1,271,458.33/1,754,710.86 = 727,764.69/x
  3. Step 3: Cross multiply
    1,271,458.33x = 1,754,710.86 × 727,764.69
  4. Step 4: Simplify right side
    1,271,458.33x = 1,277,016,605,067.53
  5. Step 5: Solve for x
    x = 1,277,016,605,067.53/1,271,458.33
  6. Step 6: Final answer
    x = 1,004,371.57

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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.