Home / 1,580,481.60-2,181,064.42-855,329.48

Finding the Fourth Proportional to 1,580,481.60, 2,181,064.42 and 855,329.48

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Solution

The fourth proportional to 1,580,481.60, 2,181,064.42 and 855,329.48 is: 1,180,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,481.60 : 2,181,064.42 = 855,329.48 : x
  2. Step 2: Convert to fraction form
    1,580,481.60/2,181,064.42 = 855,329.48/x
  3. Step 3: Cross multiply
    1,580,481.60x = 2,181,064.42 × 855,329.48
  4. Step 4: Simplify right side
    1,580,481.60x = 1,865,528,696,205.10
  5. Step 5: Solve for x
    x = 1,865,528,696,205.10/1,580,481.60
  6. Step 6: Final answer
    x = 1,180,354.58

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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.