Home / 1,121,141.25-1,682,895.42-522,679.50

Finding the Fourth Proportional to 1,121,141.25, 1,682,895.42 and 522,679.50

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Solution

The fourth proportional to 1,121,141.25, 1,682,895.42 and 522,679.50 is: 784,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,141.25 : 1,682,895.42 = 522,679.50 : x
  2. Step 2: Convert to fraction form
    1,121,141.25/1,682,895.42 = 522,679.50/x
  3. Step 3: Cross multiply
    1,121,141.25x = 1,682,895.42 × 522,679.50
  4. Step 4: Simplify right side
    1,121,141.25x = 879,614,936,677.89
  5. Step 5: Solve for x
    x = 879,614,936,677.89/1,121,141.25
  6. Step 6: Final answer
    x = 784,571.02

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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.