Home / 1,255,907.78-1,733,198.36-719,467.46

Finding the Fourth Proportional to 1,255,907.78, 1,733,198.36 and 719,467.46

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Solution

The fourth proportional to 1,255,907.78, 1,733,198.36 and 719,467.46 is: 992,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,907.78 : 1,733,198.36 = 719,467.46 : x
  2. Step 2: Convert to fraction form
    1,255,907.78/1,733,198.36 = 719,467.46/x
  3. Step 3: Cross multiply
    1,255,907.78x = 1,733,198.36 × 719,467.46
  4. Step 4: Simplify right side
    1,255,907.78x = 1,246,979,821,745.37
  5. Step 5: Solve for x
    x = 1,246,979,821,745.37/1,255,907.78
  6. Step 6: Final answer
    x = 992,891.23

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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.