Home / 1,135,942.80-1,707,413.40-1,072,957.20

Finding the Fourth Proportional to 1,135,942.80, 1,707,413.40 and 1,072,957.20

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Solution

The fourth proportional to 1,135,942.80, 1,707,413.40 and 1,072,957.20 is: 1,612,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,942.80 : 1,707,413.40 = 1,072,957.20 : x
  2. Step 2: Convert to fraction form
    1,135,942.80/1,707,413.40 = 1,072,957.20/x
  3. Step 3: Cross multiply
    1,135,942.80x = 1,707,413.40 × 1,072,957.20
  4. Step 4: Simplify right side
    1,135,942.80x = 1,831,981,500,906.48
  5. Step 5: Solve for x
    x = 1,831,981,500,906.48/1,135,942.80
  6. Step 6: Final answer
    x = 1,612,740.98

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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.