Home / 1,214,257.89-1,675,678.44-670,394.73

Finding the Fourth Proportional to 1,214,257.89, 1,675,678.44 and 670,394.73

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Solution

The fourth proportional to 1,214,257.89, 1,675,678.44 and 670,394.73 is: 925,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,257.89 : 1,675,678.44 = 670,394.73 : x
  2. Step 2: Convert to fraction form
    1,214,257.89/1,675,678.44 = 670,394.73/x
  3. Step 3: Cross multiply
    1,214,257.89x = 1,675,678.44 × 670,394.73
  4. Step 4: Simplify right side
    1,214,257.89x = 1,123,365,995,350.62
  5. Step 5: Solve for x
    x = 1,123,365,995,350.62/1,214,257.89
  6. Step 6: Final answer
    x = 925,146.14

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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.