Home / 1,785,215.89-2,678,276.96-826,362.65

Finding the Fourth Proportional to 1,785,215.89, 2,678,276.96 and 826,362.65

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Solution

The fourth proportional to 1,785,215.89, 2,678,276.96 and 826,362.65 is: 1,239,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,215.89 : 2,678,276.96 = 826,362.65 : x
  2. Step 2: Convert to fraction form
    1,785,215.89/2,678,276.96 = 826,362.65/x
  3. Step 3: Cross multiply
    1,785,215.89x = 2,678,276.96 × 826,362.65
  4. Step 4: Simplify right side
    1,785,215.89x = 2,213,228,028,576.35
  5. Step 5: Solve for x
    x = 2,213,228,028,576.35/1,785,215.89
  6. Step 6: Final answer
    x = 1,239,753.71

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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.