Home / 1,401,453.26-1,933,933.97-789,642.17

Finding the Fourth Proportional to 1,401,453.26, 1,933,933.97 and 789,642.17

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Solution

The fourth proportional to 1,401,453.26, 1,933,933.97 and 789,642.17 is: 1,089,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,453.26 : 1,933,933.97 = 789,642.17 : x
  2. Step 2: Convert to fraction form
    1,401,453.26/1,933,933.97 = 789,642.17/x
  3. Step 3: Cross multiply
    1,401,453.26x = 1,933,933.97 × 789,642.17
  4. Step 4: Simplify right side
    1,401,453.26x = 1,527,115,812,759.30
  5. Step 5: Solve for x
    x = 1,527,115,812,759.30/1,401,453.26
  6. Step 6: Final answer
    x = 1,089,665.89

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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.