Home / 1,394,265.15-2,089,716.03-719,978.88

Finding the Fourth Proportional to 1,394,265.15, 2,089,716.03 and 719,978.88

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Solution

The fourth proportional to 1,394,265.15, 2,089,716.03 and 719,978.88 is: 1,079,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,265.15 : 2,089,716.03 = 719,978.88 : x
  2. Step 2: Convert to fraction form
    1,394,265.15/2,089,716.03 = 719,978.88/x
  3. Step 3: Cross multiply
    1,394,265.15x = 2,089,716.03 × 719,978.88
  4. Step 4: Simplify right side
    1,394,265.15x = 1,504,551,406,797.45
  5. Step 5: Solve for x
    x = 1,504,551,406,797.45/1,394,265.15
  6. Step 6: Final answer
    x = 1,079,099.92

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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.