Home / 1,230,388.20-1,844,270.10-471,936.60

Finding the Fourth Proportional to 1,230,388.20, 1,844,270.10 and 471,936.60

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Solution

The fourth proportional to 1,230,388.20, 1,844,270.10 and 471,936.60 is: 707,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,388.20 : 1,844,270.10 = 471,936.60 : x
  2. Step 2: Convert to fraction form
    1,230,388.20/1,844,270.10 = 471,936.60/x
  3. Step 3: Cross multiply
    1,230,388.20x = 1,844,270.10 × 471,936.60
  4. Step 4: Simplify right side
    1,230,388.20x = 870,378,560,475.66
  5. Step 5: Solve for x
    x = 870,378,560,475.66/1,230,388.20
  6. Step 6: Final answer
    x = 707,401.58

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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.