Home / 1,580,277.88-2,180,789.25-855,125.60

Finding the Fourth Proportional to 1,580,277.88, 2,180,789.25 and 855,125.60

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Solution

The fourth proportional to 1,580,277.88, 2,180,789.25 and 855,125.60 is: 1,180,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,277.88 : 2,180,789.25 = 855,125.60 : x
  2. Step 2: Convert to fraction form
    1,580,277.88/2,180,789.25 = 855,125.60/x
  3. Step 3: Cross multiply
    1,580,277.88x = 2,180,789.25 × 855,125.60
  4. Step 4: Simplify right side
    1,580,277.88x = 1,864,848,715,879.80
  5. Step 5: Solve for x
    x = 1,864,848,715,879.80/1,580,277.88
  6. Step 6: Final answer
    x = 1,180,076.46

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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.