Home / 1,458,480.82-2,012,462.78-813,899.46

Finding the Fourth Proportional to 1,458,480.82, 2,012,462.78 and 813,899.46

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Solution

The fourth proportional to 1,458,480.82, 2,012,462.78 and 813,899.46 is: 1,123,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,480.82 : 2,012,462.78 = 813,899.46 : x
  2. Step 2: Convert to fraction form
    1,458,480.82/2,012,462.78 = 813,899.46/x
  3. Step 3: Cross multiply
    1,458,480.82x = 2,012,462.78 × 813,899.46
  4. Step 4: Simplify right side
    1,458,480.82x = 1,637,942,369,912.10
  5. Step 5: Solve for x
    x = 1,637,942,369,912.10/1,458,480.82
  6. Step 6: Final answer
    x = 1,123,046.90

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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.