Home / 1,185,879.45-1,780,590.69-1,168,164.75

Finding the Fourth Proportional to 1,185,879.45, 1,780,590.69 and 1,168,164.75

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Solution

The fourth proportional to 1,185,879.45, 1,780,590.69 and 1,168,164.75 is: 1,753,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,879.45 : 1,780,590.69 = 1,168,164.75 : x
  2. Step 2: Convert to fraction form
    1,185,879.45/1,780,590.69 = 1,168,164.75/x
  3. Step 3: Cross multiply
    1,185,879.45x = 1,780,590.69 × 1,168,164.75
  4. Step 4: Simplify right side
    1,185,879.45x = 2,080,023,278,236.18
  5. Step 5: Solve for x
    x = 2,080,023,278,236.18/1,185,879.45
  6. Step 6: Final answer
    x = 1,753,992.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.