Home / 1,263,105.19-1,743,097.42-690,145.31

Finding the Fourth Proportional to 1,263,105.19, 1,743,097.42 and 690,145.31

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Solution

The fourth proportional to 1,263,105.19, 1,743,097.42 and 690,145.31 is: 952,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,105.19 : 1,743,097.42 = 690,145.31 : x
  2. Step 2: Convert to fraction form
    1,263,105.19/1,743,097.42 = 690,145.31/x
  3. Step 3: Cross multiply
    1,263,105.19x = 1,743,097.42 × 690,145.31
  4. Step 4: Simplify right side
    1,263,105.19x = 1,202,990,514,506.53
  5. Step 5: Solve for x
    x = 1,202,990,514,506.53/1,263,105.19
  6. Step 6: Final answer
    x = 952,407.23

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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.