Home / 1,322,020.60-1,983,030.90-324,748.60

Finding the Fourth Proportional to 1,322,020.60, 1,983,030.90 and 324,748.60

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Solution

The fourth proportional to 1,322,020.60, 1,983,030.90 and 324,748.60 is: 487,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,020.60 : 1,983,030.90 = 324,748.60 : x
  2. Step 2: Convert to fraction form
    1,322,020.60/1,983,030.90 = 324,748.60/x
  3. Step 3: Cross multiply
    1,322,020.60x = 1,983,030.90 × 324,748.60
  4. Step 4: Simplify right side
    1,322,020.60x = 643,986,508,531.74
  5. Step 5: Solve for x
    x = 643,986,508,531.74/1,322,020.60
  6. Step 6: Final answer
    x = 487,122.90

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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.