Home / 1,608,872.70-2,413,272.15-809,939.70

Finding the Fourth Proportional to 1,608,872.70, 2,413,272.15 and 809,939.70

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Solution

The fourth proportional to 1,608,872.70, 2,413,272.15 and 809,939.70 is: 1,214,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,872.70 : 2,413,272.15 = 809,939.70 : x
  2. Step 2: Convert to fraction form
    1,608,872.70/2,413,272.15 = 809,939.70/x
  3. Step 3: Cross multiply
    1,608,872.70x = 2,413,272.15 × 809,939.70
  4. Step 4: Simplify right side
    1,608,872.70x = 1,954,604,921,189.35
  5. Step 5: Solve for x
    x = 1,954,604,921,189.35/1,608,872.70
  6. Step 6: Final answer
    x = 1,214,890.97

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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.