Home / 1,107,590.38-1,661,361.72-308,850.64

Finding the Fourth Proportional to 1,107,590.38, 1,661,361.72 and 308,850.64

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Solution

The fourth proportional to 1,107,590.38, 1,661,361.72 and 308,850.64 is: 463,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,590.38 : 1,661,361.72 = 308,850.64 : x
  2. Step 2: Convert to fraction form
    1,107,590.38/1,661,361.72 = 308,850.64/x
  3. Step 3: Cross multiply
    1,107,590.38x = 1,661,361.72 × 308,850.64
  4. Step 4: Simplify right side
    1,107,590.38x = 513,112,630,493.50
  5. Step 5: Solve for x
    x = 513,112,630,493.50/1,107,590.38
  6. Step 6: Final answer
    x = 463,269.31

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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.