Home / 1,401,255.55-1,933,738.57-789,415.65

Finding the Fourth Proportional to 1,401,255.55, 1,933,738.57 and 789,415.65

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Solution

The fourth proportional to 1,401,255.55, 1,933,738.57 and 789,415.65 is: 1,089,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,255.55 : 1,933,738.57 = 789,415.65 : x
  2. Step 2: Convert to fraction form
    1,401,255.55/1,933,738.57 = 789,415.65/x
  3. Step 3: Cross multiply
    1,401,255.55x = 1,933,738.57 × 789,415.65
  4. Step 4: Simplify right side
    1,401,255.55x = 1,526,523,481,274.29
  5. Step 5: Solve for x
    x = 1,526,523,481,274.29/1,401,255.55
  6. Step 6: Final answer
    x = 1,089,396.92

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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.