Home / 1,202,781.37-1,659,768.53-658,822.45

Finding the Fourth Proportional to 1,202,781.37, 1,659,768.53 and 658,822.45

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Solution

The fourth proportional to 1,202,781.37, 1,659,768.53 and 658,822.45 is: 909,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,781.37 : 1,659,768.53 = 658,822.45 : x
  2. Step 2: Convert to fraction form
    1,202,781.37/1,659,768.53 = 658,822.45/x
  3. Step 3: Cross multiply
    1,202,781.37x = 1,659,768.53 × 658,822.45
  4. Step 4: Simplify right side
    1,202,781.37x = 1,093,492,769,367.50
  5. Step 5: Solve for x
    x = 1,093,492,769,367.50/1,202,781.37
  6. Step 6: Final answer
    x = 909,136.77

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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.