Home / 1,412,172.23-2,117,067.84-612,851.67

Finding the Fourth Proportional to 1,412,172.23, 2,117,067.84 and 612,851.67

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Solution

The fourth proportional to 1,412,172.23, 2,117,067.84 and 612,851.67 is: 918,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,172.23 : 2,117,067.84 = 612,851.67 : x
  2. Step 2: Convert to fraction form
    1,412,172.23/2,117,067.84 = 612,851.67/x
  3. Step 3: Cross multiply
    1,412,172.23x = 2,117,067.84 × 612,851.67
  4. Step 4: Simplify right side
    1,412,172.23x = 1,297,448,561,247.29
  5. Step 5: Solve for x
    x = 1,297,448,561,247.29/1,412,172.23
  6. Step 6: Final answer
    x = 918,760.86

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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.