Home / 1,188,081.60-1,778,185.80-1,093,603.20

Finding the Fourth Proportional to 1,188,081.60, 1,778,185.80 and 1,093,603.20

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Solution

The fourth proportional to 1,188,081.60, 1,778,185.80 and 1,093,603.20 is: 1,636,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,081.60 : 1,778,185.80 = 1,093,603.20 : x
  2. Step 2: Convert to fraction form
    1,188,081.60/1,778,185.80 = 1,093,603.20/x
  3. Step 3: Cross multiply
    1,188,081.60x = 1,778,185.80 × 1,093,603.20
  4. Step 4: Simplify right side
    1,188,081.60x = 1,944,629,681,074.56
  5. Step 5: Solve for x
    x = 1,944,629,681,074.56/1,188,081.60
  6. Step 6: Final answer
    x = 1,636,781.25

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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.