Home / 1,203,486.38-1,660,829.38-659,617.82

Finding the Fourth Proportional to 1,203,486.38, 1,660,829.38 and 659,617.82

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Solution

The fourth proportional to 1,203,486.38, 1,660,829.38 and 659,617.82 is: 910,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,486.38 : 1,660,829.38 = 659,617.82 : x
  2. Step 2: Convert to fraction form
    1,203,486.38/1,660,829.38 = 659,617.82/x
  3. Step 3: Cross multiply
    1,203,486.38x = 1,660,829.38 × 659,617.82
  4. Step 4: Simplify right side
    1,203,486.38x = 1,095,512,655,027.55
  5. Step 5: Solve for x
    x = 1,095,512,655,027.55/1,203,486.38
  6. Step 6: Final answer
    x = 910,282.55

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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.