Home / 1,442,704.46-1,990,872.34-789,327.27

Finding the Fourth Proportional to 1,442,704.46, 1,990,872.34 and 789,327.27

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Solution

The fourth proportional to 1,442,704.46, 1,990,872.34 and 789,327.27 is: 1,089,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,704.46 : 1,990,872.34 = 789,327.27 : x
  2. Step 2: Convert to fraction form
    1,442,704.46/1,990,872.34 = 789,327.27/x
  3. Step 3: Cross multiply
    1,442,704.46x = 1,990,872.34 × 789,327.27
  4. Step 4: Simplify right side
    1,442,704.46x = 1,571,449,827,077.39
  5. Step 5: Solve for x
    x = 1,571,449,827,077.39/1,442,704.46
  6. Step 6: Final answer
    x = 1,089,238.91

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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.