Home / 1,580,481.93-2,181,070.62-855,329.43

Finding the Fourth Proportional to 1,580,481.93, 2,181,070.62 and 855,329.43

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Solution

The fourth proportional to 1,580,481.93, 2,181,070.62 and 855,329.43 is: 1,180,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,481.93 : 2,181,070.62 = 855,329.43 : x
  2. Step 2: Convert to fraction form
    1,580,481.93/2,181,070.62 = 855,329.43/x
  3. Step 3: Cross multiply
    1,580,481.93x = 2,181,070.62 × 855,329.43
  4. Step 4: Simplify right side
    1,580,481.93x = 1,865,533,890,194.35
  5. Step 5: Solve for x
    x = 1,865,533,890,194.35/1,580,481.93
  6. Step 6: Final answer
    x = 1,180,357.62

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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.