Home / 1,725,221.48-2,380,845.30-961,321.64

Finding the Fourth Proportional to 1,725,221.48, 2,380,845.30 and 961,321.64

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Solution

The fourth proportional to 1,725,221.48, 2,380,845.30 and 961,321.64 is: 1,326,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,221.48 : 2,380,845.30 = 961,321.64 : x
  2. Step 2: Convert to fraction form
    1,725,221.48/2,380,845.30 = 961,321.64/x
  3. Step 3: Cross multiply
    1,725,221.48x = 2,380,845.30 × 961,321.64
  4. Step 4: Simplify right side
    1,725,221.48x = 2,288,758,108,382.29
  5. Step 5: Solve for x
    x = 2,288,758,108,382.29/1,725,221.48
  6. Step 6: Final answer
    x = 1,326,645.96

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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.