Home / 1,022,638.32-1,413,791.64-767,546.64

Finding the Fourth Proportional to 1,022,638.32, 1,413,791.64 and 767,546.64

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Solution

The fourth proportional to 1,022,638.32, 1,413,791.64 and 767,546.64 is: 1,061,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,638.32 : 1,413,791.64 = 767,546.64 : x
  2. Step 2: Convert to fraction form
    1,022,638.32/1,413,791.64 = 767,546.64/x
  3. Step 3: Cross multiply
    1,022,638.32x = 1,413,791.64 × 767,546.64
  4. Step 4: Simplify right side
    1,022,638.32x = 1,085,151,022,942.09
  5. Step 5: Solve for x
    x = 1,085,151,022,942.09/1,022,638.32
  6. Step 6: Final answer
    x = 1,061,128.85

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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.