Home / 1,396,380.42-1,927,006.79-792,768.42

Finding the Fourth Proportional to 1,396,380.42, 1,927,006.79 and 792,768.42

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Solution

The fourth proportional to 1,396,380.42, 1,927,006.79 and 792,768.42 is: 1,094,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,380.42 : 1,927,006.79 = 792,768.42 : x
  2. Step 2: Convert to fraction form
    1,396,380.42/1,927,006.79 = 792,768.42/x
  3. Step 3: Cross multiply
    1,396,380.42x = 1,927,006.79 × 792,768.42
  4. Step 4: Simplify right side
    1,396,380.42x = 1,527,670,124,273.73
  5. Step 5: Solve for x
    x = 1,527,670,124,273.73/1,396,380.42
  6. Step 6: Final answer
    x = 1,094,021.44

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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.