Home / 1,410,265.82-1,946,180.86-765,691.32

Finding the Fourth Proportional to 1,410,265.82, 1,946,180.86 and 765,691.32

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Solution

The fourth proportional to 1,410,265.82, 1,946,180.86 and 765,691.32 is: 1,056,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,265.82 : 1,946,180.86 = 765,691.32 : x
  2. Step 2: Convert to fraction form
    1,410,265.82/1,946,180.86 = 765,691.32/x
  3. Step 3: Cross multiply
    1,410,265.82x = 1,946,180.86 × 765,691.32
  4. Step 4: Simplify right side
    1,410,265.82x = 1,490,173,791,652.14
  5. Step 5: Solve for x
    x = 1,490,173,791,652.14/1,410,265.82
  6. Step 6: Final answer
    x = 1,056,661.64

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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.