Home / 1,321,466.88-1,823,770.08-740,745.76

Finding the Fourth Proportional to 1,321,466.88, 1,823,770.08 and 740,745.76

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Solution

The fourth proportional to 1,321,466.88, 1,823,770.08 and 740,745.76 is: 1,022,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,466.88 : 1,823,770.08 = 740,745.76 : x
  2. Step 2: Convert to fraction form
    1,321,466.88/1,823,770.08 = 740,745.76/x
  3. Step 3: Cross multiply
    1,321,466.88x = 1,823,770.08 × 740,745.76
  4. Step 4: Simplify right side
    1,321,466.88x = 1,350,949,953,974.86
  5. Step 5: Solve for x
    x = 1,350,949,953,974.86/1,321,466.88
  6. Step 6: Final answer
    x = 1,022,310.87

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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.