Home / 1,226,507.22-1,839,615.94-328,018.59

Finding the Fourth Proportional to 1,226,507.22, 1,839,615.94 and 328,018.59

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Solution

The fourth proportional to 1,226,507.22, 1,839,615.94 and 328,018.59 is: 491,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,507.22 : 1,839,615.94 = 328,018.59 : x
  2. Step 2: Convert to fraction form
    1,226,507.22/1,839,615.94 = 328,018.59/x
  3. Step 3: Cross multiply
    1,226,507.22x = 1,839,615.94 × 328,018.59
  4. Step 4: Simplify right side
    1,226,507.22x = 603,428,226,780.33
  5. Step 5: Solve for x
    x = 603,428,226,780.33/1,226,507.22
  6. Step 6: Final answer
    x = 491,989.14

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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.