Home / 1,785,223.88-2,678,288.96-826,370.64

Finding the Fourth Proportional to 1,785,223.88, 2,678,288.96 and 826,370.64

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Solution

The fourth proportional to 1,785,223.88, 2,678,288.96 and 826,370.64 is: 1,239,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,223.88 : 2,678,288.96 = 826,370.64 : x
  2. Step 2: Convert to fraction form
    1,785,223.88/2,678,288.96 = 826,370.64/x
  3. Step 3: Cross multiply
    1,785,223.88x = 2,678,288.96 × 826,370.64
  4. Step 4: Simplify right side
    1,785,223.88x = 2,213,259,361,980.13
  5. Step 5: Solve for x
    x = 2,213,259,361,980.13/1,785,223.88
  6. Step 6: Final answer
    x = 1,239,765.72

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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.