Home / 1,136,975.72-1,704,563.94-426,924.68

Finding the Fourth Proportional to 1,136,975.72, 1,704,563.94 and 426,924.68

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Solution

The fourth proportional to 1,136,975.72, 1,704,563.94 and 426,924.68 is: 640,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,975.72 : 1,704,563.94 = 426,924.68 : x
  2. Step 2: Convert to fraction form
    1,136,975.72/1,704,563.94 = 426,924.68/x
  3. Step 3: Cross multiply
    1,136,975.72x = 1,704,563.94 × 426,924.68
  4. Step 4: Simplify right side
    1,136,975.72x = 727,720,414,624.04
  5. Step 5: Solve for x
    x = 727,720,414,624.04/1,136,975.72
  6. Step 6: Final answer
    x = 640,049.21

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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.