Home / 1,294,136.24-1,785,921-713,380

Finding the Fourth Proportional to 1,294,136.24, 1,785,921 and 713,380

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Solution

The fourth proportional to 1,294,136.24, 1,785,921 and 713,380 is: 984,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,136.24 : 1,785,921 = 713,380 : x
  2. Step 2: Convert to fraction form
    1,294,136.24/1,785,921 = 713,380/x
  3. Step 3: Cross multiply
    1,294,136.24x = 1,785,921 × 713,380
  4. Step 4: Simplify right side
    1,294,136.24x = 1,274,040,322,980
  5. Step 5: Solve for x
    x = 1,274,040,322,980/1,294,136.24
  6. Step 6: Final answer
    x = 984,471.56

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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.