Home / 1,538,408.37-2,122,958.86-850,069.29

Finding the Fourth Proportional to 1,538,408.37, 2,122,958.86 and 850,069.29

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Solution

The fourth proportional to 1,538,408.37, 2,122,958.86 and 850,069.29 is: 1,173,070.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,408.37 : 2,122,958.86 = 850,069.29 : x
  2. Step 2: Convert to fraction form
    1,538,408.37/2,122,958.86 = 850,069.29/x
  3. Step 3: Cross multiply
    1,538,408.37x = 2,122,958.86 × 850,069.29
  4. Step 4: Simplify right side
    1,538,408.37x = 1,804,662,130,819.41
  5. Step 5: Solve for x
    x = 1,804,662,130,819.41/1,538,408.37
  6. Step 6: Final answer
    x = 1,173,070.93

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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.