Home / 780,111.45-1,170,167.18-733,455.45

Finding the Fourth Proportional to 780,111.45, 1,170,167.18 and 733,455.45

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Solution

The fourth proportional to 780,111.45, 1,170,167.18 and 733,455.45 is: 1,100,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,111.45 : 1,170,167.18 = 733,455.45 : x
  2. Step 2: Convert to fraction form
    780,111.45/1,170,167.18 = 733,455.45/x
  3. Step 3: Cross multiply
    780,111.45x = 1,170,167.18 × 733,455.45
  4. Step 4: Simplify right side
    780,111.45x = 858,265,491,914.85
  5. Step 5: Solve for x
    x = 858,265,491,914.85/780,111.45
  6. Step 6: Final answer
    x = 1,100,183.18

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1.5x scale

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.