Home / 1,448,413.74-1,998,678.88-859,611.64

Finding the Fourth Proportional to 1,448,413.74, 1,998,678.88 and 859,611.64

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Solution

The fourth proportional to 1,448,413.74, 1,998,678.88 and 859,611.64 is: 1,186,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,413.74 : 1,998,678.88 = 859,611.64 : x
  2. Step 2: Convert to fraction form
    1,448,413.74/1,998,678.88 = 859,611.64/x
  3. Step 3: Cross multiply
    1,448,413.74x = 1,998,678.88 × 859,611.64
  4. Step 4: Simplify right side
    1,448,413.74x = 1,718,087,629,870.16
  5. Step 5: Solve for x
    x = 1,718,087,629,870.16/1,448,413.74
  6. Step 6: Final answer
    x = 1,186,185.68

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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.