Home / 1,403,764.88-1,936,724.32-1,145,194.80

Finding the Fourth Proportional to 1,403,764.88, 1,936,724.32 and 1,145,194.80

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Solution

The fourth proportional to 1,403,764.88, 1,936,724.32 and 1,145,194.80 is: 1,579,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,764.88 : 1,936,724.32 = 1,145,194.80 : x
  2. Step 2: Convert to fraction form
    1,403,764.88/1,936,724.32 = 1,145,194.80/x
  3. Step 3: Cross multiply
    1,403,764.88x = 1,936,724.32 × 1,145,194.80
  4. Step 4: Simplify right side
    1,403,764.88x = 2,217,926,620,297.54
  5. Step 5: Solve for x
    x = 2,217,926,620,297.54/1,403,764.88
  6. Step 6: Final answer
    x = 1,579,984.41

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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.