Home / 1,138,326.20-1,570,890.74-629,028.58

Finding the Fourth Proportional to 1,138,326.20, 1,570,890.74 and 629,028.58

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Solution

The fourth proportional to 1,138,326.20, 1,570,890.74 and 629,028.58 is: 868,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,326.20 : 1,570,890.74 = 629,028.58 : x
  2. Step 2: Convert to fraction form
    1,138,326.20/1,570,890.74 = 629,028.58/x
  3. Step 3: Cross multiply
    1,138,326.20x = 1,570,890.74 × 629,028.58
  4. Step 4: Simplify right side
    1,138,326.20x = 988,135,171,517.35
  5. Step 5: Solve for x
    x = 988,135,171,517.35/1,138,326.20
  6. Step 6: Final answer
    x = 868,059.76

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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.