Home / 1,327,669.84-1,831,909.56-776,279.44

Finding the Fourth Proportional to 1,327,669.84, 1,831,909.56 and 776,279.44

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Solution

The fourth proportional to 1,327,669.84, 1,831,909.56 and 776,279.44 is: 1,071,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,669.84 : 1,831,909.56 = 776,279.44 : x
  2. Step 2: Convert to fraction form
    1,327,669.84/1,831,909.56 = 776,279.44/x
  3. Step 3: Cross multiply
    1,327,669.84x = 1,831,909.56 × 776,279.44
  4. Step 4: Simplify right side
    1,327,669.84x = 1,422,073,727,367.45
  5. Step 5: Solve for x
    x = 1,422,073,727,367.45/1,327,669.84
  6. Step 6: Final answer
    x = 1,071,104.94

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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.