Home / 1,229,731.20-1,844,942.40-520,099.20

Finding the Fourth Proportional to 1,229,731.20, 1,844,942.40 and 520,099.20

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Solution

The fourth proportional to 1,229,731.20, 1,844,942.40 and 520,099.20 is: 780,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,731.20 : 1,844,942.40 = 520,099.20 : x
  2. Step 2: Convert to fraction form
    1,229,731.20/1,844,942.40 = 520,099.20/x
  3. Step 3: Cross multiply
    1,229,731.20x = 1,844,942.40 × 520,099.20
  4. Step 4: Simplify right side
    1,229,731.20x = 959,553,066,286.08
  5. Step 5: Solve for x
    x = 959,553,066,286.08/1,229,731.20
  6. Step 6: Final answer
    x = 780,294.97

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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.