Home / 1,410,070.80-1,945,899.04-765,490.64

Finding the Fourth Proportional to 1,410,070.80, 1,945,899.04 and 765,490.64

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Solution

The fourth proportional to 1,410,070.80, 1,945,899.04 and 765,490.64 is: 1,056,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,070.80 : 1,945,899.04 = 765,490.64 : x
  2. Step 2: Convert to fraction form
    1,410,070.80/1,945,899.04 = 765,490.64/x
  3. Step 3: Cross multiply
    1,410,070.80x = 1,945,899.04 × 765,490.64
  4. Step 4: Simplify right side
    1,410,070.80x = 1,489,567,501,504.99
  5. Step 5: Solve for x
    x = 1,489,567,501,504.99/1,410,070.80
  6. Step 6: Final answer
    x = 1,056,377.81

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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.