Home / 1,263,107.16-1,743,085.20-690,151.44

Finding the Fourth Proportional to 1,263,107.16, 1,743,085.20 and 690,151.44

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Solution

The fourth proportional to 1,263,107.16, 1,743,085.20 and 690,151.44 is: 952,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,107.16 : 1,743,085.20 = 690,151.44 : x
  2. Step 2: Convert to fraction form
    1,263,107.16/1,743,085.20 = 690,151.44/x
  3. Step 3: Cross multiply
    1,263,107.16x = 1,743,085.20 × 690,151.44
  4. Step 4: Simplify right side
    1,263,107.16x = 1,202,992,760,822.69
  5. Step 5: Solve for x
    x = 1,202,992,760,822.69/1,263,107.16
  6. Step 6: Final answer
    x = 952,407.52

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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.