Home / 1,387,183.32-2,080,656.72-545,732.64

Finding the Fourth Proportional to 1,387,183.32, 2,080,656.72 and 545,732.64

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Solution

The fourth proportional to 1,387,183.32, 2,080,656.72 and 545,732.64 is: 818,552.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,183.32 : 2,080,656.72 = 545,732.64 : x
  2. Step 2: Convert to fraction form
    1,387,183.32/2,080,656.72 = 545,732.64/x
  3. Step 3: Cross multiply
    1,387,183.32x = 2,080,656.72 × 545,732.64
  4. Step 4: Simplify right side
    1,387,183.32x = 1,135,482,284,739.34
  5. Step 5: Solve for x
    x = 1,135,482,284,739.34/1,387,183.32
  6. Step 6: Final answer
    x = 818,552.44

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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.