Home / 1,222,523.82-1,833,777.54-665,101.26

Finding the Fourth Proportional to 1,222,523.82, 1,833,777.54 and 665,101.26

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Solution

The fourth proportional to 1,222,523.82, 1,833,777.54 and 665,101.26 is: 997,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,523.82 : 1,833,777.54 = 665,101.26 : x
  2. Step 2: Convert to fraction form
    1,222,523.82/1,833,777.54 = 665,101.26/x
  3. Step 3: Cross multiply
    1,222,523.82x = 1,833,777.54 × 665,101.26
  4. Step 4: Simplify right side
    1,222,523.82x = 1,219,647,752,413.70
  5. Step 5: Solve for x
    x = 1,219,647,752,413.70/1,222,523.82
  6. Step 6: Final answer
    x = 997,647.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.