Home / 1,538,395-2,122,940.38-850,055.92

Finding the Fourth Proportional to 1,538,395, 2,122,940.38 and 850,055.92

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Solution

The fourth proportional to 1,538,395, 2,122,940.38 and 850,055.92 is: 1,173,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,395 : 2,122,940.38 = 850,055.92 : x
  2. Step 2: Convert to fraction form
    1,538,395/2,122,940.38 = 850,055.92/x
  3. Step 3: Cross multiply
    1,538,395x = 2,122,940.38 × 850,055.92
  4. Step 4: Simplify right side
    1,538,395x = 1,804,618,037,826.05
  5. Step 5: Solve for x
    x = 1,804,618,037,826.05/1,538,395
  6. Step 6: Final answer
    x = 1,173,052.46

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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.