Home / 1,192,435.20-1,645,512.86-648,571.36

Finding the Fourth Proportional to 1,192,435.20, 1,645,512.86 and 648,571.36

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Solution

The fourth proportional to 1,192,435.20, 1,645,512.86 and 648,571.36 is: 895,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,435.20 : 1,645,512.86 = 648,571.36 : x
  2. Step 2: Convert to fraction form
    1,192,435.20/1,645,512.86 = 648,571.36/x
  3. Step 3: Cross multiply
    1,192,435.20x = 1,645,512.86 × 648,571.36
  4. Step 4: Simplify right side
    1,192,435.20x = 1,067,232,513,507.69
  5. Step 5: Solve for x
    x = 1,067,232,513,507.69/1,192,435.20
  6. Step 6: Final answer
    x = 895,002.52

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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.