Home / 1,996,213.50-2,995,178.31-648,789.30

Finding the Fourth Proportional to 1,996,213.50, 2,995,178.31 and 648,789.30

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Solution

The fourth proportional to 1,996,213.50, 2,995,178.31 and 648,789.30 is: 973,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,213.50 : 2,995,178.31 = 648,789.30 : x
  2. Step 2: Convert to fraction form
    1,996,213.50/2,995,178.31 = 648,789.30/x
  3. Step 3: Cross multiply
    1,996,213.50x = 2,995,178.31 × 648,789.30
  4. Step 4: Simplify right side
    1,996,213.50x = 1,943,239,639,120.08
  5. Step 5: Solve for x
    x = 1,943,239,639,120.08/1,996,213.50
  6. Step 6: Final answer
    x = 973,462.83

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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.