Home / 1,225,886.82-1,691,956.80-767,214.60

Finding the Fourth Proportional to 1,225,886.82, 1,691,956.80 and 767,214.60

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Solution

The fourth proportional to 1,225,886.82, 1,691,956.80 and 767,214.60 is: 1,058,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,886.82 : 1,691,956.80 = 767,214.60 : x
  2. Step 2: Convert to fraction form
    1,225,886.82/1,691,956.80 = 767,214.60/x
  3. Step 3: Cross multiply
    1,225,886.82x = 1,691,956.80 × 767,214.60
  4. Step 4: Simplify right side
    1,225,886.82x = 1,298,093,959,529.28
  5. Step 5: Solve for x
    x = 1,298,093,959,529.28/1,225,886.82
  6. Step 6: Final answer
    x = 1,058,901.96

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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.