Home / 1,260,761.76-1,739,780.37-717,029.82

Finding the Fourth Proportional to 1,260,761.76, 1,739,780.37 and 717,029.82

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Solution

The fourth proportional to 1,260,761.76, 1,739,780.37 and 717,029.82 is: 989,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,761.76 : 1,739,780.37 = 717,029.82 : x
  2. Step 2: Convert to fraction form
    1,260,761.76/1,739,780.37 = 717,029.82/x
  3. Step 3: Cross multiply
    1,260,761.76x = 1,739,780.37 × 717,029.82
  4. Step 4: Simplify right side
    1,260,761.76x = 1,247,474,405,540.63
  5. Step 5: Solve for x
    x = 1,247,474,405,540.63/1,260,761.76
  6. Step 6: Final answer
    x = 989,460.85

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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.