Home / 1,150,988.08-1,589,366.48-722,005.60

Finding the Fourth Proportional to 1,150,988.08, 1,589,366.48 and 722,005.60

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Solution

The fourth proportional to 1,150,988.08, 1,589,366.48 and 722,005.60 is: 996,996.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,988.08 : 1,589,366.48 = 722,005.60 : x
  2. Step 2: Convert to fraction form
    1,150,988.08/1,589,366.48 = 722,005.60/x
  3. Step 3: Cross multiply
    1,150,988.08x = 1,589,366.48 × 722,005.60
  4. Step 4: Simplify right side
    1,150,988.08x = 1,147,531,499,012.29
  5. Step 5: Solve for x
    x = 1,147,531,499,012.29/1,150,988.08
  6. Step 6: Final answer
    x = 996,996.86

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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.