Home / 1,436,331.16-1,982,136.07-782,958.43

Finding the Fourth Proportional to 1,436,331.16, 1,982,136.07 and 782,958.43

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Solution

The fourth proportional to 1,436,331.16, 1,982,136.07 and 782,958.43 is: 1,080,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,331.16 : 1,982,136.07 = 782,958.43 : x
  2. Step 2: Convert to fraction form
    1,436,331.16/1,982,136.07 = 782,958.43/x
  3. Step 3: Cross multiply
    1,436,331.16x = 1,982,136.07 × 782,958.43
  4. Step 4: Simplify right side
    1,436,331.16x = 1,551,930,138,891.04
  5. Step 5: Solve for x
    x = 1,551,930,138,891.04/1,436,331.16
  6. Step 6: Final answer
    x = 1,080,482.12

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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.