Home / 1,580,910.07-2,181,654.08-855,757.60

Finding the Fourth Proportional to 1,580,910.07, 2,181,654.08 and 855,757.60

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Solution

The fourth proportional to 1,580,910.07, 2,181,654.08 and 855,757.60 is: 1,180,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,910.07 : 2,181,654.08 = 855,757.60 : x
  2. Step 2: Convert to fraction form
    1,580,910.07/2,181,654.08 = 855,757.60/x
  3. Step 3: Cross multiply
    1,580,910.07x = 2,181,654.08 × 855,757.60
  4. Step 4: Simplify right side
    1,580,910.07x = 1,866,967,059,531.01
  5. Step 5: Solve for x
    x = 1,866,967,059,531.01/1,580,910.07
  6. Step 6: Final answer
    x = 1,180,944.50

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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.