Home / 1,322,001.80-1,983,002.70-324,729.80

Finding the Fourth Proportional to 1,322,001.80, 1,983,002.70 and 324,729.80

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Solution

The fourth proportional to 1,322,001.80, 1,983,002.70 and 324,729.80 is: 487,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,001.80 : 1,983,002.70 = 324,729.80 : x
  2. Step 2: Convert to fraction form
    1,322,001.80/1,983,002.70 = 324,729.80/x
  3. Step 3: Cross multiply
    1,322,001.80x = 1,983,002.70 × 324,729.80
  4. Step 4: Simplify right side
    1,322,001.80x = 643,940,070,170.46
  5. Step 5: Solve for x
    x = 643,940,070,170.46/1,322,001.80
  6. Step 6: Final answer
    x = 487,094.70

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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.