Home / 1,613,212.16-2,419,633.92-431,352.32

Finding the Fourth Proportional to 1,613,212.16, 2,419,633.92 and 431,352.32

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Solution

The fourth proportional to 1,613,212.16, 2,419,633.92 and 431,352.32 is: 646,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,212.16 : 2,419,633.92 = 431,352.32 : x
  2. Step 2: Convert to fraction form
    1,613,212.16/2,419,633.92 = 431,352.32/x
  3. Step 3: Cross multiply
    1,613,212.16x = 2,419,633.92 × 431,352.32
  4. Step 4: Simplify right side
    1,613,212.16x = 1,043,714,704,942.69
  5. Step 5: Solve for x
    x = 1,043,714,704,942.69/1,613,212.16
  6. Step 6: Final answer
    x = 646,979.20

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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.