Home / 1,208,995.33-1,668,413.54-665,119.44

Finding the Fourth Proportional to 1,208,995.33, 1,668,413.54 and 665,119.44

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Solution

The fourth proportional to 1,208,995.33, 1,668,413.54 and 665,119.44 is: 917,864.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,995.33 : 1,668,413.54 = 665,119.44 : x
  2. Step 2: Convert to fraction form
    1,208,995.33/1,668,413.54 = 665,119.44/x
  3. Step 3: Cross multiply
    1,208,995.33x = 1,668,413.54 × 665,119.44
  4. Step 4: Simplify right side
    1,208,995.33x = 1,109,694,283,584.25
  5. Step 5: Solve for x
    x = 1,109,694,283,584.25/1,208,995.33
  6. Step 6: Final answer
    x = 917,864.82

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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.