Home / 1,275,422.45-1,760,047.52-694,632.87

Finding the Fourth Proportional to 1,275,422.45, 1,760,047.52 and 694,632.87

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Solution

The fourth proportional to 1,275,422.45, 1,760,047.52 and 694,632.87 is: 958,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,422.45 : 1,760,047.52 = 694,632.87 : x
  2. Step 2: Convert to fraction form
    1,275,422.45/1,760,047.52 = 694,632.87/x
  3. Step 3: Cross multiply
    1,275,422.45x = 1,760,047.52 × 694,632.87
  4. Step 4: Simplify right side
    1,275,422.45x = 1,222,586,856,680.82
  5. Step 5: Solve for x
    x = 1,222,586,856,680.82/1,275,422.45
  6. Step 6: Final answer
    x = 958,574.05

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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.