Home / 1,293,157.92-1,784,613.24-720,198

Finding the Fourth Proportional to 1,293,157.92, 1,784,613.24 and 720,198

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Solution

The fourth proportional to 1,293,157.92, 1,784,613.24 and 720,198 is: 993,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,157.92 : 1,784,613.24 = 720,198 : x
  2. Step 2: Convert to fraction form
    1,293,157.92/1,784,613.24 = 720,198/x
  3. Step 3: Cross multiply
    1,293,157.92x = 1,784,613.24 × 720,198
  4. Step 4: Simplify right side
    1,293,157.92x = 1,285,274,886,221.52
  5. Step 5: Solve for x
    x = 1,285,274,886,221.52/1,293,157.92
  6. Step 6: Final answer
    x = 993,904.04

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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.