Home / 1,138,093.38-1,570,631.85-628,784.82

Finding the Fourth Proportional to 1,138,093.38, 1,570,631.85 and 628,784.82

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Solution

The fourth proportional to 1,138,093.38, 1,570,631.85 and 628,784.82 is: 867,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,093.38 : 1,570,631.85 = 628,784.82 : x
  2. Step 2: Convert to fraction form
    1,138,093.38/1,570,631.85 = 628,784.82/x
  3. Step 3: Cross multiply
    1,138,093.38x = 1,570,631.85 × 628,784.82
  4. Step 4: Simplify right side
    1,138,093.38x = 987,589,465,088.52
  5. Step 5: Solve for x
    x = 987,589,465,088.52/1,138,093.38
  6. Step 6: Final answer
    x = 867,757.85

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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.