Home / 1,338,441.60-2,008,342.80-889,474.80

Finding the Fourth Proportional to 1,338,441.60, 2,008,342.80 and 889,474.80

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Solution

The fourth proportional to 1,338,441.60, 2,008,342.80 and 889,474.80 is: 1,334,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,441.60 : 2,008,342.80 = 889,474.80 : x
  2. Step 2: Convert to fraction form
    1,338,441.60/2,008,342.80 = 889,474.80/x
  3. Step 3: Cross multiply
    1,338,441.60x = 2,008,342.80 × 889,474.80
  4. Step 4: Simplify right side
    1,338,441.60x = 1,786,370,310,361.44
  5. Step 5: Solve for x
    x = 1,786,370,310,361.44/1,338,441.60
  6. Step 6: Final answer
    x = 1,334,664.37

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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.