Home / 1,275,900.07-1,760,736.78-695,121.43

Finding the Fourth Proportional to 1,275,900.07, 1,760,736.78 and 695,121.43

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Solution

The fourth proportional to 1,275,900.07, 1,760,736.78 and 695,121.43 is: 959,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,900.07 : 1,760,736.78 = 695,121.43 : x
  2. Step 2: Convert to fraction form
    1,275,900.07/1,760,736.78 = 695,121.43/x
  3. Step 3: Cross multiply
    1,275,900.07x = 1,760,736.78 × 695,121.43
  4. Step 4: Simplify right side
    1,275,900.07x = 1,223,925,878,116.16
  5. Step 5: Solve for x
    x = 1,223,925,878,116.16/1,275,900.07
  6. Step 6: Final answer
    x = 959,264.68

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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.