Home / 1,236,530.07-1,855,484.01-667,898.73

Finding the Fourth Proportional to 1,236,530.07, 1,855,484.01 and 667,898.73

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Solution

The fourth proportional to 1,236,530.07, 1,855,484.01 and 667,898.73 is: 1,002,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,530.07 : 1,855,484.01 = 667,898.73 : x
  2. Step 2: Convert to fraction form
    1,236,530.07/1,855,484.01 = 667,898.73/x
  3. Step 3: Cross multiply
    1,236,530.07x = 1,855,484.01 × 667,898.73
  4. Step 4: Simplify right side
    1,236,530.07x = 1,239,275,413,814.31
  5. Step 5: Solve for x
    x = 1,239,275,413,814.31/1,236,530.07
  6. Step 6: Final answer
    x = 1,002,220.20

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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.