Home / 1,443,257.28-1,991,698.92-798,721.92

Finding the Fourth Proportional to 1,443,257.28, 1,991,698.92 and 798,721.92

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Solution

The fourth proportional to 1,443,257.28, 1,991,698.92 and 798,721.92 is: 1,102,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,257.28 : 1,991,698.92 = 798,721.92 : x
  2. Step 2: Convert to fraction form
    1,443,257.28/1,991,698.92 = 798,721.92/x
  3. Step 3: Cross multiply
    1,443,257.28x = 1,991,698.92 × 798,721.92
  4. Step 4: Simplify right side
    1,443,257.28x = 1,590,813,585,444.33
  5. Step 5: Solve for x
    x = 1,590,813,585,444.33/1,443,257.28
  6. Step 6: Final answer
    x = 1,102,238.39

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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.