Home / 1,250,104.64-1,725,142.77-677,147.09

Finding the Fourth Proportional to 1,250,104.64, 1,725,142.77 and 677,147.09

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Solution

The fourth proportional to 1,250,104.64, 1,725,142.77 and 677,147.09 is: 934,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,104.64 : 1,725,142.77 = 677,147.09 : x
  2. Step 2: Convert to fraction form
    1,250,104.64/1,725,142.77 = 677,147.09/x
  3. Step 3: Cross multiply
    1,250,104.64x = 1,725,142.77 × 677,147.09
  4. Step 4: Simplify right side
    1,250,104.64x = 1,168,175,397,914.33
  5. Step 5: Solve for x
    x = 1,168,175,397,914.33/1,250,104.64
  6. Step 6: Final answer
    x = 934,462.10

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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.