Home / 925,712.20-1,388,568.30-890,282.80

Finding the Fourth Proportional to 925,712.20, 1,388,568.30 and 890,282.80

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Solution

The fourth proportional to 925,712.20, 1,388,568.30 and 890,282.80 is: 1,335,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,712.20 : 1,388,568.30 = 890,282.80 : x
  2. Step 2: Convert to fraction form
    925,712.20/1,388,568.30 = 890,282.80/x
  3. Step 3: Cross multiply
    925,712.20x = 1,388,568.30 × 890,282.80
  4. Step 4: Simplify right side
    925,712.20x = 1,236,218,474,115.24
  5. Step 5: Solve for x
    x = 1,236,218,474,115.24/925,712.20
  6. Step 6: Final answer
    x = 1,335,424.20

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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.