Home / 1,261,465.44-1,740,556.32-802,413.12

Finding the Fourth Proportional to 1,261,465.44, 1,740,556.32 and 802,413.12

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Solution

The fourth proportional to 1,261,465.44, 1,740,556.32 and 802,413.12 is: 1,107,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,465.44 : 1,740,556.32 = 802,413.12 : x
  2. Step 2: Convert to fraction form
    1,261,465.44/1,740,556.32 = 802,413.12/x
  3. Step 3: Cross multiply
    1,261,465.44x = 1,740,556.32 × 802,413.12
  4. Step 4: Simplify right side
    1,261,465.44x = 1,396,645,227,266.92
  5. Step 5: Solve for x
    x = 1,396,645,227,266.92/1,261,465.44
  6. Step 6: Final answer
    x = 1,107,160.91

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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.