Home / 1,436,085.28-1,981,771.68-782,716.96

Finding the Fourth Proportional to 1,436,085.28, 1,981,771.68 and 782,716.96

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Solution

The fourth proportional to 1,436,085.28, 1,981,771.68 and 782,716.96 is: 1,080,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,085.28 : 1,981,771.68 = 782,716.96 : x
  2. Step 2: Convert to fraction form
    1,436,085.28/1,981,771.68 = 782,716.96/x
  3. Step 3: Cross multiply
    1,436,085.28x = 1,981,771.68 × 782,716.96
  4. Step 4: Simplify right side
    1,436,085.28x = 1,551,166,304,783.69
  5. Step 5: Solve for x
    x = 1,551,166,304,783.69/1,436,085.28
  6. Step 6: Final answer
    x = 1,080,135.23

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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.