Home / 990,737.72-1,367,218.25-603,553.12

Finding the Fourth Proportional to 990,737.72, 1,367,218.25 and 603,553.12

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Solution

The fourth proportional to 990,737.72, 1,367,218.25 and 603,553.12 is: 832,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,737.72 : 1,367,218.25 = 603,553.12 : x
  2. Step 2: Convert to fraction form
    990,737.72/1,367,218.25 = 603,553.12/x
  3. Step 3: Cross multiply
    990,737.72x = 1,367,218.25 × 603,553.12
  4. Step 4: Simplify right side
    990,737.72x = 825,188,835,181.23
  5. Step 5: Solve for x
    x = 825,188,835,181.23/990,737.72
  6. Step 6: Final answer
    x = 832,903.42

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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.