Home / 1,228,525.85-1,842,882.07-418,658.56

Finding the Fourth Proportional to 1,228,525.85, 1,842,882.07 and 418,658.56

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Solution

The fourth proportional to 1,228,525.85, 1,842,882.07 and 418,658.56 is: 628,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,525.85 : 1,842,882.07 = 418,658.56 : x
  2. Step 2: Convert to fraction form
    1,228,525.85/1,842,882.07 = 418,658.56/x
  3. Step 3: Cross multiply
    1,228,525.85x = 1,842,882.07 × 418,658.56
  4. Step 4: Simplify right side
    1,228,525.85x = 771,538,351,582.73
  5. Step 5: Solve for x
    x = 771,538,351,582.73/1,228,525.85
  6. Step 6: Final answer
    x = 628,019.63

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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.