Home / 1,440,932.71-2,161,349.82-683,137.21

Finding the Fourth Proportional to 1,440,932.71, 2,161,349.82 and 683,137.21

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Solution

The fourth proportional to 1,440,932.71, 2,161,349.82 and 683,137.21 is: 1,024,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,932.71 : 2,161,349.82 = 683,137.21 : x
  2. Step 2: Convert to fraction form
    1,440,932.71/2,161,349.82 = 683,137.21/x
  3. Step 3: Cross multiply
    1,440,932.71x = 2,161,349.82 × 683,137.21
  4. Step 4: Simplify right side
    1,440,932.71x = 1,476,498,485,868.80
  5. Step 5: Solve for x
    x = 1,476,498,485,868.80/1,440,932.71
  6. Step 6: Final answer
    x = 1,024,682.47

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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.