Home / 1,793,665.45-2,690,662.20-728,487.10

Finding the Fourth Proportional to 1,793,665.45, 2,690,662.20 and 728,487.10

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Solution

The fourth proportional to 1,793,665.45, 2,690,662.20 and 728,487.10 is: 1,092,797.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793,665.45 : 2,690,662.20 = 728,487.10 : x
  2. Step 2: Convert to fraction form
    1,793,665.45/2,690,662.20 = 728,487.10/x
  3. Step 3: Cross multiply
    1,793,665.45x = 2,690,662.20 × 728,487.10
  4. Step 4: Simplify right side
    1,793,665.45x = 1,960,112,703,157.62
  5. Step 5: Solve for x
    x = 1,960,112,703,157.62/1,793,665.45
  6. Step 6: Final answer
    x = 1,092,797.27

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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.