Home / 1,322,538.20-1,983,807.30-325,266.20

Finding the Fourth Proportional to 1,322,538.20, 1,983,807.30 and 325,266.20

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Solution

The fourth proportional to 1,322,538.20, 1,983,807.30 and 325,266.20 is: 487,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,538.20 : 1,983,807.30 = 325,266.20 : x
  2. Step 2: Convert to fraction form
    1,322,538.20/1,983,807.30 = 325,266.20/x
  3. Step 3: Cross multiply
    1,322,538.20x = 1,983,807.30 × 325,266.20
  4. Step 4: Simplify right side
    1,322,538.20x = 645,265,462,003.26
  5. Step 5: Solve for x
    x = 645,265,462,003.26/1,322,538.20
  6. Step 6: Final answer
    x = 487,899.30

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Double scale
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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.