Home / 1,580,512.59-2,181,107.52-855,365.58

Finding the Fourth Proportional to 1,580,512.59, 2,181,107.52 and 855,365.58

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Solution

The fourth proportional to 1,580,512.59, 2,181,107.52 and 855,365.58 is: 1,180,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,512.59 : 2,181,107.52 = 855,365.58 : x
  2. Step 2: Convert to fraction form
    1,580,512.59/2,181,107.52 = 855,365.58/x
  3. Step 3: Cross multiply
    1,580,512.59x = 2,181,107.52 × 855,365.58
  4. Step 4: Simplify right side
    1,580,512.59x = 1,865,644,298,887.16
  5. Step 5: Solve for x
    x = 1,865,644,298,887.16/1,580,512.59
  6. Step 6: Final answer
    x = 1,180,404.58

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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.