Home / 1,401,534.56-1,933,990.68-789,786.88

Finding the Fourth Proportional to 1,401,534.56, 1,933,990.68 and 789,786.88

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Solution

The fourth proportional to 1,401,534.56, 1,933,990.68 and 789,786.88 is: 1,089,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,534.56 : 1,933,990.68 = 789,786.88 : x
  2. Step 2: Convert to fraction form
    1,401,534.56/1,933,990.68 = 789,786.88/x
  3. Step 3: Cross multiply
    1,401,534.56x = 1,933,990.68 × 789,786.88
  4. Step 4: Simplify right side
    1,401,534.56x = 1,527,440,465,106.28
  5. Step 5: Solve for x
    x = 1,527,440,465,106.28/1,401,534.56
  6. Step 6: Final answer
    x = 1,089,834.32

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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.