Home / 1,155,998.56-1,595,169.84-720,375.52

Finding the Fourth Proportional to 1,155,998.56, 1,595,169.84 and 720,375.52

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Solution

The fourth proportional to 1,155,998.56, 1,595,169.84 and 720,375.52 is: 994,050.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,998.56 : 1,595,169.84 = 720,375.52 : x
  2. Step 2: Convert to fraction form
    1,155,998.56/1,595,169.84 = 720,375.52/x
  3. Step 3: Cross multiply
    1,155,998.56x = 1,595,169.84 × 720,375.52
  4. Step 4: Simplify right side
    1,155,998.56x = 1,149,121,302,978.32
  5. Step 5: Solve for x
    x = 1,149,121,302,978.32/1,155,998.56
  6. Step 6: Final answer
    x = 994,050.81

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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.