Home / 1,387,162-2,080,743-336,538

Finding the Fourth Proportional to 1,387,162, 2,080,743 and 336,538

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Solution

The fourth proportional to 1,387,162, 2,080,743 and 336,538 is: 504,807

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,162 : 2,080,743 = 336,538 : x
  2. Step 2: Convert to fraction form
    1,387,162/2,080,743 = 336,538/x
  3. Step 3: Cross multiply
    1,387,162x = 2,080,743 × 336,538
  4. Step 4: Simplify right side
    1,387,162x = 700,249,087,734
  5. Step 5: Solve for x
    x = 700,249,087,734/1,387,162
  6. Step 6: Final answer
    x = 504,807

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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.