Home / 1,107,424.91-1,661,344.32-762,662.36

Finding the Fourth Proportional to 1,107,424.91, 1,661,344.32 and 762,662.36

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Solution

The fourth proportional to 1,107,424.91, 1,661,344.32 and 762,662.36 is: 1,144,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,424.91 : 1,661,344.32 = 762,662.36 : x
  2. Step 2: Convert to fraction form
    1,107,424.91/1,661,344.32 = 762,662.36/x
  3. Step 3: Cross multiply
    1,107,424.91x = 1,661,344.32 × 762,662.36
  4. Step 4: Simplify right side
    1,107,424.91x = 1,267,044,779,863.80
  5. Step 5: Solve for x
    x = 1,267,044,779,863.80/1,107,424.91
  6. Step 6: Final answer
    x = 1,144,136.07

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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.