Home / 1,214,380.96-1,675,813.79-670,505.04

Finding the Fourth Proportional to 1,214,380.96, 1,675,813.79 and 670,505.04

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Solution

The fourth proportional to 1,214,380.96, 1,675,813.79 and 670,505.04 is: 925,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,380.96 : 1,675,813.79 = 670,505.04 : x
  2. Step 2: Convert to fraction form
    1,214,380.96/1,675,813.79 = 670,505.04/x
  3. Step 3: Cross multiply
    1,214,380.96x = 1,675,813.79 × 670,505.04
  4. Step 4: Simplify right side
    1,214,380.96x = 1,123,641,593,972.76
  5. Step 5: Solve for x
    x = 1,123,641,593,972.76/1,214,380.96
  6. Step 6: Final answer
    x = 925,279.33

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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.