Home / 1,214,228.96-1,821,318.30-404,672.06

Finding the Fourth Proportional to 1,214,228.96, 1,821,318.30 and 404,672.06

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Solution

The fourth proportional to 1,214,228.96, 1,821,318.30 and 404,672.06 is: 606,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,228.96 : 1,821,318.30 = 404,672.06 : x
  2. Step 2: Convert to fraction form
    1,214,228.96/1,821,318.30 = 404,672.06/x
  3. Step 3: Cross multiply
    1,214,228.96x = 1,821,318.30 × 404,672.06
  4. Step 4: Simplify right side
    1,214,228.96x = 737,036,628,376.70
  5. Step 5: Solve for x
    x = 737,036,628,376.70/1,214,228.96
  6. Step 6: Final answer
    x = 606,999.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.