Home / 1,293,414.24-1,784,942.88-720,463.76

Finding the Fourth Proportional to 1,293,414.24, 1,784,942.88 and 720,463.76

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Solution

The fourth proportional to 1,293,414.24, 1,784,942.88 and 720,463.76 is: 994,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,414.24 : 1,784,942.88 = 720,463.76 : x
  2. Step 2: Convert to fraction form
    1,293,414.24/1,784,942.88 = 720,463.76/x
  3. Step 3: Cross multiply
    1,293,414.24x = 1,784,942.88 × 720,463.76
  4. Step 4: Simplify right side
    1,293,414.24x = 1,285,986,658,710.03
  5. Step 5: Solve for x
    x = 1,285,986,658,710.03/1,293,414.24
  6. Step 6: Final answer
    x = 994,257.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.