Home / 1,388,344.20-2,082,777.02-630,238.88

Finding the Fourth Proportional to 1,388,344.20, 2,082,777.02 and 630,238.88

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Solution

The fourth proportional to 1,388,344.20, 2,082,777.02 and 630,238.88 is: 945,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,344.20 : 2,082,777.02 = 630,238.88 : x
  2. Step 2: Convert to fraction form
    1,388,344.20/2,082,777.02 = 630,238.88/x
  3. Step 3: Cross multiply
    1,388,344.20x = 2,082,777.02 × 630,238.88
  4. Step 4: Simplify right side
    1,388,344.20x = 1,312,647,042,809.46
  5. Step 5: Solve for x
    x = 1,312,647,042,809.46/1,388,344.20
  6. Step 6: Final answer
    x = 945,476.66

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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.