Home / 1,942,705.70-2,912,676.15-744,164.90

Finding the Fourth Proportional to 1,942,705.70, 2,912,676.15 and 744,164.90

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Solution

The fourth proportional to 1,942,705.70, 2,912,676.15 and 744,164.90 is: 1,115,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,705.70 : 2,912,676.15 = 744,164.90 : x
  2. Step 2: Convert to fraction form
    1,942,705.70/2,912,676.15 = 744,164.90/x
  3. Step 3: Cross multiply
    1,942,705.70x = 2,912,676.15 × 744,164.90
  4. Step 4: Simplify right side
    1,942,705.70x = 2,167,511,355,897.14
  5. Step 5: Solve for x
    x = 2,167,511,355,897.14/1,942,705.70
  6. Step 6: Final answer
    x = 1,115,717.81

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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.