Home / 1,613,226.16-2,419,654.92-431,366.32

Finding the Fourth Proportional to 1,613,226.16, 2,419,654.92 and 431,366.32

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Solution

The fourth proportional to 1,613,226.16, 2,419,654.92 and 431,366.32 is: 647,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,226.16 : 2,419,654.92 = 431,366.32 : x
  2. Step 2: Convert to fraction form
    1,613,226.16/2,419,654.92 = 431,366.32/x
  3. Step 3: Cross multiply
    1,613,226.16x = 2,419,654.92 × 431,366.32
  4. Step 4: Simplify right side
    1,613,226.16x = 1,043,757,638,510.29
  5. Step 5: Solve for x
    x = 1,043,757,638,510.29/1,613,226.16
  6. Step 6: Final answer
    x = 647,000.19

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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.