Home / 1,121,962.68-1,682,944.02-280,514.43

Finding the Fourth Proportional to 1,121,962.68, 1,682,944.02 and 280,514.43

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Solution

The fourth proportional to 1,121,962.68, 1,682,944.02 and 280,514.43 is: 420,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,962.68 : 1,682,944.02 = 280,514.43 : x
  2. Step 2: Convert to fraction form
    1,121,962.68/1,682,944.02 = 280,514.43/x
  3. Step 3: Cross multiply
    1,121,962.68x = 1,682,944.02 × 280,514.43
  4. Step 4: Simplify right side
    1,121,962.68x = 472,090,082,492.21
  5. Step 5: Solve for x
    x = 472,090,082,492.21/1,121,962.68
  6. Step 6: Final answer
    x = 420,771.65

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Double scale
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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.