Home / 1,285,105.10-1,773,519.64-741,263.81

Finding the Fourth Proportional to 1,285,105.10, 1,773,519.64 and 741,263.81

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Solution

The fourth proportional to 1,285,105.10, 1,773,519.64 and 741,263.81 is: 1,022,987.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,105.10 : 1,773,519.64 = 741,263.81 : x
  2. Step 2: Convert to fraction form
    1,285,105.10/1,773,519.64 = 741,263.81/x
  3. Step 3: Cross multiply
    1,285,105.10x = 1,773,519.64 × 741,263.81
  4. Step 4: Simplify right side
    1,285,105.10x = 1,314,645,914,735.47
  5. Step 5: Solve for x
    x = 1,314,645,914,735.47/1,285,105.10
  6. Step 6: Final answer
    x = 1,022,987.08

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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.