Home / 1,271,725.92-1,754,976.78-727,859.52

Finding the Fourth Proportional to 1,271,725.92, 1,754,976.78 and 727,859.52

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Solution

The fourth proportional to 1,271,725.92, 1,754,976.78 and 727,859.52 is: 1,004,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,725.92 : 1,754,976.78 = 727,859.52 : x
  2. Step 2: Convert to fraction form
    1,271,725.92/1,754,976.78 = 727,859.52/x
  3. Step 3: Cross multiply
    1,271,725.92x = 1,754,976.78 × 727,859.52
  4. Step 4: Simplify right side
    1,271,725.92x = 1,277,376,556,701.95
  5. Step 5: Solve for x
    x = 1,277,376,556,701.95/1,271,725.92
  6. Step 6: Final answer
    x = 1,004,443.28

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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.