Home / 927,052.40-1,392,268.20-810,930.80

Finding the Fourth Proportional to 927,052.40, 1,392,268.20 and 810,930.80

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Solution

The fourth proportional to 927,052.40, 1,392,268.20 and 810,930.80 is: 1,217,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,052.40 : 1,392,268.20 = 810,930.80 : x
  2. Step 2: Convert to fraction form
    927,052.40/1,392,268.20 = 810,930.80/x
  3. Step 3: Cross multiply
    927,052.40x = 1,392,268.20 × 810,930.80
  4. Step 4: Simplify right side
    927,052.40x = 1,129,033,165,240.56
  5. Step 5: Solve for x
    x = 1,129,033,165,240.56/927,052.40
  6. Step 6: Final answer
    x = 1,217,874.16

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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.