Home / 1,179,949.88-1,628,470.68-670,728.80

Finding the Fourth Proportional to 1,179,949.88, 1,628,470.68 and 670,728.80

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Solution

The fourth proportional to 1,179,949.88, 1,628,470.68 and 670,728.80 is: 925,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,949.88 : 1,628,470.68 = 670,728.80 : x
  2. Step 2: Convert to fraction form
    1,179,949.88/1,628,470.68 = 670,728.80/x
  3. Step 3: Cross multiply
    1,179,949.88x = 1,628,470.68 × 670,728.80
  4. Step 4: Simplify right side
    1,179,949.88x = 1,092,262,185,031.58
  5. Step 5: Solve for x
    x = 1,092,262,185,031.58/1,179,949.88
  6. Step 6: Final answer
    x = 925,685.24

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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.