Home / 1,469,765.15-2,028,375.68-816,465.72

Finding the Fourth Proportional to 1,469,765.15, 2,028,375.68 and 816,465.72

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Solution

The fourth proportional to 1,469,765.15, 2,028,375.68 and 816,465.72 is: 1,126,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,765.15 : 2,028,375.68 = 816,465.72 : x
  2. Step 2: Convert to fraction form
    1,469,765.15/2,028,375.68 = 816,465.72/x
  3. Step 3: Cross multiply
    1,469,765.15x = 2,028,375.68 × 816,465.72
  4. Step 4: Simplify right side
    1,469,765.15x = 1,656,099,213,525.77
  5. Step 5: Solve for x
    x = 1,656,099,213,525.77/1,469,765.15
  6. Step 6: Final answer
    x = 1,126,778.12

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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.