Home / 1,203,089.75-1,660,264.25-659,221.12

Finding the Fourth Proportional to 1,203,089.75, 1,660,264.25 and 659,221.12

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Solution

The fourth proportional to 1,203,089.75, 1,660,264.25 and 659,221.12 is: 909,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,089.75 : 1,660,264.25 = 659,221.12 : x
  2. Step 2: Convert to fraction form
    1,203,089.75/1,660,264.25 = 659,221.12/x
  3. Step 3: Cross multiply
    1,203,089.75x = 1,660,264.25 × 659,221.12
  4. Step 4: Simplify right side
    1,203,089.75x = 1,094,481,258,380.96
  5. Step 5: Solve for x
    x = 1,094,481,258,380.96/1,203,089.75
  6. Step 6: Final answer
    x = 909,725.36

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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.