Home / 1,382,022.75-1,907,107.62-761,800.80

Finding the Fourth Proportional to 1,382,022.75, 1,907,107.62 and 761,800.80

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Solution

The fourth proportional to 1,382,022.75, 1,907,107.62 and 761,800.80 is: 1,051,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,022.75 : 1,907,107.62 = 761,800.80 : x
  2. Step 2: Convert to fraction form
    1,382,022.75/1,907,107.62 = 761,800.80/x
  3. Step 3: Cross multiply
    1,382,022.75x = 1,907,107.62 × 761,800.80
  4. Step 4: Simplify right side
    1,382,022.75x = 1,452,836,097,257.55
  5. Step 5: Solve for x
    x = 1,452,836,097,257.55/1,382,022.75
  6. Step 6: Final answer
    x = 1,051,238.91

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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.