Home / 1,488,716.20-2,233,087.80-423,757.84

Finding the Fourth Proportional to 1,488,716.20, 2,233,087.80 and 423,757.84

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Solution

The fourth proportional to 1,488,716.20, 2,233,087.80 and 423,757.84 is: 635,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,716.20 : 2,233,087.80 = 423,757.84 : x
  2. Step 2: Convert to fraction form
    1,488,716.20/2,233,087.80 = 423,757.84/x
  3. Step 3: Cross multiply
    1,488,716.20x = 2,233,087.80 × 423,757.84
  4. Step 4: Simplify right side
    1,488,716.20x = 946,288,462,658.35
  5. Step 5: Solve for x
    x = 946,288,462,658.35/1,488,716.20
  6. Step 6: Final answer
    x = 635,640.60

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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.