Home / 1,331,764.49-1,836,609.35-872,712.33

Finding the Fourth Proportional to 1,331,764.49, 1,836,609.35 and 872,712.33

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Solution

The fourth proportional to 1,331,764.49, 1,836,609.35 and 872,712.33 is: 1,203,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,764.49 : 1,836,609.35 = 872,712.33 : x
  2. Step 2: Convert to fraction form
    1,331,764.49/1,836,609.35 = 872,712.33/x
  3. Step 3: Cross multiply
    1,331,764.49x = 1,836,609.35 × 872,712.33
  4. Step 4: Simplify right side
    1,331,764.49x = 1,602,831,620,774.72
  5. Step 5: Solve for x
    x = 1,602,831,620,774.72/1,331,764.49
  6. Step 6: Final answer
    x = 1,203,539.84

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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.