Home / 1,166,489.64-1,609,755.69-629,945.64

Finding the Fourth Proportional to 1,166,489.64, 1,609,755.69 and 629,945.64

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Solution

The fourth proportional to 1,166,489.64, 1,609,755.69 and 629,945.64 is: 869,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,489.64 : 1,609,755.69 = 629,945.64 : x
  2. Step 2: Convert to fraction form
    1,166,489.64/1,609,755.69 = 629,945.64/x
  3. Step 3: Cross multiply
    1,166,489.64x = 1,609,755.69 × 629,945.64
  4. Step 4: Simplify right side
    1,166,489.64x = 1,014,058,578,380.69
  5. Step 5: Solve for x
    x = 1,014,058,578,380.69/1,166,489.64
  6. Step 6: Final answer
    x = 869,324.98

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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.