Home / 1,580,493.94-2,181,084.39-855,342.25

Finding the Fourth Proportional to 1,580,493.94, 2,181,084.39 and 855,342.25

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Solution

The fourth proportional to 1,580,493.94, 2,181,084.39 and 855,342.25 is: 1,180,373.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,493.94 : 2,181,084.39 = 855,342.25 : x
  2. Step 2: Convert to fraction form
    1,580,493.94/2,181,084.39 = 855,342.25/x
  3. Step 3: Cross multiply
    1,580,493.94x = 2,181,084.39 × 855,342.25
  4. Step 4: Simplify right side
    1,580,493.94x = 1,865,573,629,582.48
  5. Step 5: Solve for x
    x = 1,865,573,629,582.48/1,580,493.94
  6. Step 6: Final answer
    x = 1,180,373.79

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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.