Home / 1,335,381.88-1,842,958.94-762,508.20

Finding the Fourth Proportional to 1,335,381.88, 1,842,958.94 and 762,508.20

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Solution

The fourth proportional to 1,335,381.88, 1,842,958.94 and 762,508.20 is: 1,052,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,381.88 : 1,842,958.94 = 762,508.20 : x
  2. Step 2: Convert to fraction form
    1,335,381.88/1,842,958.94 = 762,508.20/x
  3. Step 3: Cross multiply
    1,335,381.88x = 1,842,958.94 × 762,508.20
  4. Step 4: Simplify right side
    1,335,381.88x = 1,405,271,304,013.31
  5. Step 5: Solve for x
    x = 1,405,271,304,013.31/1,335,381.88
  6. Step 6: Final answer
    x = 1,052,336.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.