Home / 1,236,733.20-1,854,019.80-479,091.60

Finding the Fourth Proportional to 1,236,733.20, 1,854,019.80 and 479,091.60

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Solution

The fourth proportional to 1,236,733.20, 1,854,019.80 and 479,091.60 is: 718,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,733.20 : 1,854,019.80 = 479,091.60 : x
  2. Step 2: Convert to fraction form
    1,236,733.20/1,854,019.80 = 479,091.60/x
  3. Step 3: Cross multiply
    1,236,733.20x = 1,854,019.80 × 479,091.60
  4. Step 4: Simplify right side
    1,236,733.20x = 888,245,312,413.68
  5. Step 5: Solve for x
    x = 888,245,312,413.68/1,236,733.20
  6. Step 6: Final answer
    x = 718,219.02

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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.