Home / 1,367,556.89-2,051,361.72-420,926.63

Finding the Fourth Proportional to 1,367,556.89, 2,051,361.72 and 420,926.63

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Solution

The fourth proportional to 1,367,556.89, 2,051,361.72 and 420,926.63 is: 631,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,556.89 : 2,051,361.72 = 420,926.63 : x
  2. Step 2: Convert to fraction form
    1,367,556.89/2,051,361.72 = 420,926.63/x
  3. Step 3: Cross multiply
    1,367,556.89x = 2,051,361.72 × 420,926.63
  4. Step 4: Simplify right side
    1,367,556.89x = 863,472,765,453.80
  5. Step 5: Solve for x
    x = 863,472,765,453.80/1,367,556.89
  6. Step 6: Final answer
    x = 631,398.06

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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.