Home / 1,321,815.24-1,824,100.56-748,964.61

Finding the Fourth Proportional to 1,321,815.24, 1,824,100.56 and 748,964.61

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Solution

The fourth proportional to 1,321,815.24, 1,824,100.56 and 748,964.61 is: 1,033,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,815.24 : 1,824,100.56 = 748,964.61 : x
  2. Step 2: Convert to fraction form
    1,321,815.24/1,824,100.56 = 748,964.61/x
  3. Step 3: Cross multiply
    1,321,815.24x = 1,824,100.56 × 748,964.61
  4. Step 4: Simplify right side
    1,321,815.24x = 1,366,186,764,521.18
  5. Step 5: Solve for x
    x = 1,366,186,764,521.18/1,321,815.24
  6. Step 6: Final answer
    x = 1,033,568.63

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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.