Home / 1,486,021.72-2,228,311.53-726,974.14

Finding the Fourth Proportional to 1,486,021.72, 2,228,311.53 and 726,974.14

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Solution

The fourth proportional to 1,486,021.72, 2,228,311.53 and 726,974.14 is: 1,090,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,021.72 : 2,228,311.53 = 726,974.14 : x
  2. Step 2: Convert to fraction form
    1,486,021.72/2,228,311.53 = 726,974.14/x
  3. Step 3: Cross multiply
    1,486,021.72x = 2,228,311.53 × 726,974.14
  4. Step 4: Simplify right side
    1,486,021.72x = 1,619,924,858,173.83
  5. Step 5: Solve for x
    x = 1,619,924,858,173.83/1,486,021.72
  6. Step 6: Final answer
    x = 1,090,108.47

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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.