Home / 1,613,445.75-2,420,168.81-491,514.75

Finding the Fourth Proportional to 1,613,445.75, 2,420,168.81 and 491,514.75

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Solution

The fourth proportional to 1,613,445.75, 2,420,168.81 and 491,514.75 is: 737,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,445.75 : 2,420,168.81 = 491,514.75 : x
  2. Step 2: Convert to fraction form
    1,613,445.75/2,420,168.81 = 491,514.75/x
  3. Step 3: Cross multiply
    1,613,445.75x = 2,420,168.81 × 491,514.75
  4. Step 4: Simplify right side
    1,613,445.75x = 1,189,548,665,147.37
  5. Step 5: Solve for x
    x = 1,189,548,665,147.37/1,613,445.75
  6. Step 6: Final answer
    x = 737,272.18

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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.