Home / 1,435,478.54-1,981,005.30-823,743.32

Finding the Fourth Proportional to 1,435,478.54, 1,981,005.30 and 823,743.32

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Solution

The fourth proportional to 1,435,478.54, 1,981,005.30 and 823,743.32 is: 1,136,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,478.54 : 1,981,005.30 = 823,743.32 : x
  2. Step 2: Convert to fraction form
    1,435,478.54/1,981,005.30 = 823,743.32/x
  3. Step 3: Cross multiply
    1,435,478.54x = 1,981,005.30 × 823,743.32
  4. Step 4: Simplify right side
    1,435,478.54x = 1,631,839,882,759.60
  5. Step 5: Solve for x
    x = 1,631,839,882,759.60/1,435,478.54
  6. Step 6: Final answer
    x = 1,136,791.56

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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.