Home / 1,505,665.20-2,077,821.44-826,645.44

Finding the Fourth Proportional to 1,505,665.20, 2,077,821.44 and 826,645.44

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Solution

The fourth proportional to 1,505,665.20, 2,077,821.44 and 826,645.44 is: 1,140,772.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,665.20 : 2,077,821.44 = 826,645.44 : x
  2. Step 2: Convert to fraction form
    1,505,665.20/2,077,821.44 = 826,645.44/x
  3. Step 3: Cross multiply
    1,505,665.20x = 2,077,821.44 × 826,645.44
  4. Step 4: Simplify right side
    1,505,665.20x = 1,717,621,618,510.23
  5. Step 5: Solve for x
    x = 1,717,621,618,510.23/1,505,665.20
  6. Step 6: Final answer
    x = 1,140,772.61

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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.