Home / 1,141,996.32-1,576,020.24-689,355.36

Finding the Fourth Proportional to 1,141,996.32, 1,576,020.24 and 689,355.36

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Solution

The fourth proportional to 1,141,996.32, 1,576,020.24 and 689,355.36 is: 951,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,996.32 : 1,576,020.24 = 689,355.36 : x
  2. Step 2: Convert to fraction form
    1,141,996.32/1,576,020.24 = 689,355.36/x
  3. Step 3: Cross multiply
    1,141,996.32x = 1,576,020.24 × 689,355.36
  4. Step 4: Simplify right side
    1,141,996.32x = 1,086,437,999,912.49
  5. Step 5: Solve for x
    x = 1,086,437,999,912.49/1,141,996.32
  6. Step 6: Final answer
    x = 951,349.83

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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.