Home / 1,257,115.88-1,734,517.37-740,890.32

Finding the Fourth Proportional to 1,257,115.88, 1,734,517.37 and 740,890.32

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Solution

The fourth proportional to 1,257,115.88, 1,734,517.37 and 740,890.32 is: 1,022,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,115.88 : 1,734,517.37 = 740,890.32 : x
  2. Step 2: Convert to fraction form
    1,257,115.88/1,734,517.37 = 740,890.32/x
  3. Step 3: Cross multiply
    1,257,115.88x = 1,734,517.37 × 740,890.32
  4. Step 4: Simplify right side
    1,257,115.88x = 1,285,087,125,600.41
  5. Step 5: Solve for x
    x = 1,285,087,125,600.41/1,257,115.88
  6. Step 6: Final answer
    x = 1,022,250.34

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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.