Home / 1,410,066.80-1,945,893.52-765,486.64

Finding the Fourth Proportional to 1,410,066.80, 1,945,893.52 and 765,486.64

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Solution

The fourth proportional to 1,410,066.80, 1,945,893.52 and 765,486.64 is: 1,056,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,066.80 : 1,945,893.52 = 765,486.64 : x
  2. Step 2: Convert to fraction form
    1,410,066.80/1,945,893.52 = 765,486.64/x
  3. Step 3: Cross multiply
    1,410,066.80x = 1,945,893.52 × 765,486.64
  4. Step 4: Simplify right side
    1,410,066.80x = 1,489,555,492,422.57
  5. Step 5: Solve for x
    x = 1,489,555,492,422.57/1,410,066.80
  6. Step 6: Final answer
    x = 1,056,372.29

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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.