Home / 1,225,175.13-1,690,761.63-673,912.62

Finding the Fourth Proportional to 1,225,175.13, 1,690,761.63 and 673,912.62

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Solution

The fourth proportional to 1,225,175.13, 1,690,761.63 and 673,912.62 is: 930,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,175.13 : 1,690,761.63 = 673,912.62 : x
  2. Step 2: Convert to fraction form
    1,225,175.13/1,690,761.63 = 673,912.62/x
  3. Step 3: Cross multiply
    1,225,175.13x = 1,690,761.63 × 673,912.62
  4. Step 4: Simplify right side
    1,225,175.13x = 1,139,425,599,868.77
  5. Step 5: Solve for x
    x = 1,139,425,599,868.77/1,225,175.13
  6. Step 6: Final answer
    x = 930,010.39

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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.