Home / 1,107,774.66-1,661,942.25-309,055.64

Finding the Fourth Proportional to 1,107,774.66, 1,661,942.25 and 309,055.64

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Solution

The fourth proportional to 1,107,774.66, 1,661,942.25 and 309,055.64 is: 463,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,774.66 : 1,661,942.25 = 309,055.64 : x
  2. Step 2: Convert to fraction form
    1,107,774.66/1,661,942.25 = 309,055.64/x
  3. Step 3: Cross multiply
    1,107,774.66x = 1,661,942.25 × 309,055.64
  4. Step 4: Simplify right side
    1,107,774.66x = 513,632,617,407.08
  5. Step 5: Solve for x
    x = 513,632,617,407.08/1,107,774.66
  6. Step 6: Final answer
    x = 463,661.64

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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.