Home / 863,622.23-1,296,555.90-664,082.73

Finding the Fourth Proportional to 863,622.23, 1,296,555.90 and 664,082.73

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Solution

The fourth proportional to 863,622.23, 1,296,555.90 and 664,082.73 is: 996,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,622.23 : 1,296,555.90 = 664,082.73 : x
  2. Step 2: Convert to fraction form
    863,622.23/1,296,555.90 = 664,082.73/x
  3. Step 3: Cross multiply
    863,622.23x = 1,296,555.90 × 664,082.73
  4. Step 4: Simplify right side
    863,622.23x = 861,020,381,669.61
  5. Step 5: Solve for x
    x = 861,020,381,669.61/863,622.23
  6. Step 6: Final answer
    x = 996,987.29

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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.