Home / 1,169,015.76-1,754,028.81-628,640.43

Finding the Fourth Proportional to 1,169,015.76, 1,754,028.81 and 628,640.43

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Solution

The fourth proportional to 1,169,015.76, 1,754,028.81 and 628,640.43 is: 943,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,015.76 : 1,754,028.81 = 628,640.43 : x
  2. Step 2: Convert to fraction form
    1,169,015.76/1,754,028.81 = 628,640.43/x
  3. Step 3: Cross multiply
    1,169,015.76x = 1,754,028.81 × 628,640.43
  4. Step 4: Simplify right side
    1,169,015.76x = 1,102,653,425,350.79
  5. Step 5: Solve for x
    x = 1,102,653,425,350.79/1,169,015.76
  6. Step 6: Final answer
    x = 943,232.30

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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.