Home / 1,068,942.20-1,603,413.30-998,439.80

Finding the Fourth Proportional to 1,068,942.20, 1,603,413.30 and 998,439.80

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Solution

The fourth proportional to 1,068,942.20, 1,603,413.30 and 998,439.80 is: 1,497,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,942.20 : 1,603,413.30 = 998,439.80 : x
  2. Step 2: Convert to fraction form
    1,068,942.20/1,603,413.30 = 998,439.80/x
  3. Step 3: Cross multiply
    1,068,942.20x = 1,603,413.30 × 998,439.80
  4. Step 4: Simplify right side
    1,068,942.20x = 1,600,911,654,569.34
  5. Step 5: Solve for x
    x = 1,600,911,654,569.34/1,068,942.20
  6. Step 6: Final answer
    x = 1,497,659.70

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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.