Home / 1,064,611.81-1,469,167.64-682,640.11

Finding the Fourth Proportional to 1,064,611.81, 1,469,167.64 and 682,640.11

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Solution

The fourth proportional to 1,064,611.81, 1,469,167.64 and 682,640.11 is: 942,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,611.81 : 1,469,167.64 = 682,640.11 : x
  2. Step 2: Convert to fraction form
    1,064,611.81/1,469,167.64 = 682,640.11/x
  3. Step 3: Cross multiply
    1,064,611.81x = 1,469,167.64 × 682,640.11
  4. Step 4: Simplify right side
    1,064,611.81x = 1,002,912,759,378.04
  5. Step 5: Solve for x
    x = 1,002,912,759,378.04/1,064,611.81
  6. Step 6: Final answer
    x = 942,045.49

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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.