Home / 1,608,781.28-2,220,136.42-883,645.98

Finding the Fourth Proportional to 1,608,781.28, 2,220,136.42 and 883,645.98

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Solution

The fourth proportional to 1,608,781.28, 2,220,136.42 and 883,645.98 is: 1,219,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,781.28 : 2,220,136.42 = 883,645.98 : x
  2. Step 2: Convert to fraction form
    1,608,781.28/2,220,136.42 = 883,645.98/x
  3. Step 3: Cross multiply
    1,608,781.28x = 2,220,136.42 × 883,645.98
  4. Step 4: Simplify right side
    1,608,781.28x = 1,961,814,622,584.59
  5. Step 5: Solve for x
    x = 1,961,814,622,584.59/1,608,781.28
  6. Step 6: Final answer
    x = 1,219,441.48

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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.