Home / 1,293,156.92-1,784,611.86-720,197

Finding the Fourth Proportional to 1,293,156.92, 1,784,611.86 and 720,197

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Solution

The fourth proportional to 1,293,156.92, 1,784,611.86 and 720,197 is: 993,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,156.92 : 1,784,611.86 = 720,197 : x
  2. Step 2: Convert to fraction form
    1,293,156.92/1,784,611.86 = 720,197/x
  3. Step 3: Cross multiply
    1,293,156.92x = 1,784,611.86 × 720,197
  4. Step 4: Simplify right side
    1,293,156.92x = 1,285,272,107,736.42
  5. Step 5: Solve for x
    x = 1,285,272,107,736.42/1,293,156.92
  6. Step 6: Final answer
    x = 993,902.66

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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.