Home / 1,412,273.25-2,117,215.80-612,953.91

Finding the Fourth Proportional to 1,412,273.25, 2,117,215.80 and 612,953.91

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Solution

The fourth proportional to 1,412,273.25, 2,117,215.80 and 612,953.91 is: 918,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,273.25 : 2,117,215.80 = 612,953.91 : x
  2. Step 2: Convert to fraction form
    1,412,273.25/2,117,215.80 = 612,953.91/x
  3. Step 3: Cross multiply
    1,412,273.25x = 2,117,215.80 × 612,953.91
  4. Step 4: Simplify right side
    1,412,273.25x = 1,297,755,702,923.78
  5. Step 5: Solve for x
    x = 1,297,755,702,923.78/1,412,273.25
  6. Step 6: Final answer
    x = 918,912.61

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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.