Home / 1,120,226.56-1,679,834.40-321,324.80

Finding the Fourth Proportional to 1,120,226.56, 1,679,834.40 and 321,324.80

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Solution

The fourth proportional to 1,120,226.56, 1,679,834.40 and 321,324.80 is: 481,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,226.56 : 1,679,834.40 = 321,324.80 : x
  2. Step 2: Convert to fraction form
    1,120,226.56/1,679,834.40 = 321,324.80/x
  3. Step 3: Cross multiply
    1,120,226.56x = 1,679,834.40 × 321,324.80
  4. Step 4: Simplify right side
    1,120,226.56x = 539,772,452,613.12
  5. Step 5: Solve for x
    x = 539,772,452,613.12/1,120,226.56
  6. Step 6: Final answer
    x = 481,842.22

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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.