Home / 1,413,236.40-2,116,744.20-851,290.80

Finding the Fourth Proportional to 1,413,236.40, 2,116,744.20 and 851,290.80

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Solution

The fourth proportional to 1,413,236.40, 2,116,744.20 and 851,290.80 is: 1,275,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,236.40 : 2,116,744.20 = 851,290.80 : x
  2. Step 2: Convert to fraction form
    1,413,236.40/2,116,744.20 = 851,290.80/x
  3. Step 3: Cross multiply
    1,413,236.40x = 2,116,744.20 × 851,290.80
  4. Step 4: Simplify right side
    1,413,236.40x = 1,801,964,863,413.36
  5. Step 5: Solve for x
    x = 1,801,964,863,413.36/1,413,236.40
  6. Step 6: Final answer
    x = 1,275,062.59

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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.