Home / 1,203,378.89-1,660,675.60-659,502.75

Finding the Fourth Proportional to 1,203,378.89, 1,660,675.60 and 659,502.75

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Solution

The fourth proportional to 1,203,378.89, 1,660,675.60 and 659,502.75 is: 910,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,378.89 : 1,660,675.60 = 659,502.75 : x
  2. Step 2: Convert to fraction form
    1,203,378.89/1,660,675.60 = 659,502.75/x
  3. Step 3: Cross multiply
    1,203,378.89x = 1,660,675.60 × 659,502.75
  4. Step 4: Simplify right side
    1,203,378.89x = 1,095,220,125,057.90
  5. Step 5: Solve for x
    x = 1,095,220,125,057.90/1,203,378.89
  6. Step 6: Final answer
    x = 910,120.77

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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.