Home / 1,613,263.68-2,419,879.10-415,181.34

Finding the Fourth Proportional to 1,613,263.68, 2,419,879.10 and 415,181.34

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Solution

The fourth proportional to 1,613,263.68, 2,419,879.10 and 415,181.34 is: 622,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,263.68 : 2,419,879.10 = 415,181.34 : x
  2. Step 2: Convert to fraction form
    1,613,263.68/2,419,879.10 = 415,181.34/x
  3. Step 3: Cross multiply
    1,613,263.68x = 2,419,879.10 × 415,181.34
  4. Step 4: Simplify right side
    1,613,263.68x = 1,004,688,645,300.09
  5. Step 5: Solve for x
    x = 1,004,688,645,300.09/1,613,263.68
  6. Step 6: Final answer
    x = 622,767.78

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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.