Home / 1,012,768.44-1,397,563.92-553,791.93

Finding the Fourth Proportional to 1,012,768.44, 1,397,563.92 and 553,791.93

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Solution

The fourth proportional to 1,012,768.44, 1,397,563.92 and 553,791.93 is: 764,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,768.44 : 1,397,563.92 = 553,791.93 : x
  2. Step 2: Convert to fraction form
    1,012,768.44/1,397,563.92 = 553,791.93/x
  3. Step 3: Cross multiply
    1,012,768.44x = 1,397,563.92 × 553,791.93
  4. Step 4: Simplify right side
    1,012,768.44x = 773,959,620,555.17
  5. Step 5: Solve for x
    x = 773,959,620,555.17/1,012,768.44
  6. Step 6: Final answer
    x = 764,201.95

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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.