Home / 1,580,185.64-2,180,640.42-855,017.48

Finding the Fourth Proportional to 1,580,185.64, 2,180,640.42 and 855,017.48

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Solution

The fourth proportional to 1,580,185.64, 2,180,640.42 and 855,017.48 is: 1,179,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,185.64 : 2,180,640.42 = 855,017.48 : x
  2. Step 2: Convert to fraction form
    1,580,185.64/2,180,640.42 = 855,017.48/x
  3. Step 3: Cross multiply
    1,580,185.64x = 2,180,640.42 × 855,017.48
  4. Step 4: Simplify right side
    1,580,185.64x = 1,864,485,676,694.54
  5. Step 5: Solve for x
    x = 1,864,485,676,694.54/1,580,185.64
  6. Step 6: Final answer
    x = 1,179,915.59

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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.