Home / 1,538,388.75-2,122,998.91-850,076.52

Finding the Fourth Proportional to 1,538,388.75, 2,122,998.91 and 850,076.52

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Solution

The fourth proportional to 1,538,388.75, 2,122,998.91 and 850,076.52 is: 1,173,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,388.75 : 2,122,998.91 = 850,076.52 : x
  2. Step 2: Convert to fraction form
    1,538,388.75/2,122,998.91 = 850,076.52/x
  3. Step 3: Cross multiply
    1,538,388.75x = 2,122,998.91 × 850,076.52
  4. Step 4: Simplify right side
    1,538,388.75x = 1,804,711,532,013.71
  5. Step 5: Solve for x
    x = 1,804,711,532,013.71/1,538,388.75
  6. Step 6: Final answer
    x = 1,173,118.00

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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.