Home / 1,181,722.12-1,630,755.66-672,413.56

Finding the Fourth Proportional to 1,181,722.12, 1,630,755.66 and 672,413.56

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Solution

The fourth proportional to 1,181,722.12, 1,630,755.66 and 672,413.56 is: 927,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,722.12 : 1,630,755.66 = 672,413.56 : x
  2. Step 2: Convert to fraction form
    1,181,722.12/1,630,755.66 = 672,413.56/x
  3. Step 3: Cross multiply
    1,181,722.12x = 1,630,755.66 × 672,413.56
  4. Step 4: Simplify right side
    1,181,722.12x = 1,096,542,218,830.75
  5. Step 5: Solve for x
    x = 1,096,542,218,830.75/1,181,722.12
  6. Step 6: Final answer
    x = 927,918.84

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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.