Home / 1,230,120.40-1,844,970.30-331,351.94

Finding the Fourth Proportional to 1,230,120.40, 1,844,970.30 and 331,351.94

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Solution

The fourth proportional to 1,230,120.40, 1,844,970.30 and 331,351.94 is: 496,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,120.40 : 1,844,970.30 = 331,351.94 : x
  2. Step 2: Convert to fraction form
    1,230,120.40/1,844,970.30 = 331,351.94/x
  3. Step 3: Cross multiply
    1,230,120.40x = 1,844,970.30 × 331,351.94
  4. Step 4: Simplify right side
    1,230,120.40x = 611,334,488,147.38
  5. Step 5: Solve for x
    x = 611,334,488,147.38/1,230,120.40
  6. Step 6: Final answer
    x = 496,971.26

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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.