Home / 1,448,648.57-1,999,136.30-868,208.84

Finding the Fourth Proportional to 1,448,648.57, 1,999,136.30 and 868,208.84

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Solution

The fourth proportional to 1,448,648.57, 1,999,136.30 and 868,208.84 is: 1,198,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,648.57 : 1,999,136.30 = 868,208.84 : x
  2. Step 2: Convert to fraction form
    1,448,648.57/1,999,136.30 = 868,208.84/x
  3. Step 3: Cross multiply
    1,448,648.57x = 1,999,136.30 × 868,208.84
  4. Step 4: Simplify right side
    1,448,648.57x = 1,735,667,812,430.07
  5. Step 5: Solve for x
    x = 1,735,667,812,430.07/1,448,648.57
  6. Step 6: Final answer
    x = 1,198,128.97

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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.