Home / 1,322,342.40-1,983,513.60-791,500.80

Finding the Fourth Proportional to 1,322,342.40, 1,983,513.60 and 791,500.80

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Solution

The fourth proportional to 1,322,342.40, 1,983,513.60 and 791,500.80 is: 1,187,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,342.40 : 1,983,513.60 = 791,500.80 : x
  2. Step 2: Convert to fraction form
    1,322,342.40/1,983,513.60 = 791,500.80/x
  3. Step 3: Cross multiply
    1,322,342.40x = 1,983,513.60 × 791,500.80
  4. Step 4: Simplify right side
    1,322,342.40x = 1,569,952,601,210.88
  5. Step 5: Solve for x
    x = 1,569,952,601,210.88/1,322,342.40
  6. Step 6: Final answer
    x = 1,187,251.20

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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.