Home / 1,348,781.58-1,861,296.86-736,921.21

Finding the Fourth Proportional to 1,348,781.58, 1,861,296.86 and 736,921.21

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Solution

The fourth proportional to 1,348,781.58, 1,861,296.86 and 736,921.21 is: 1,016,939.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,781.58 : 1,861,296.86 = 736,921.21 : x
  2. Step 2: Convert to fraction form
    1,348,781.58/1,861,296.86 = 736,921.21/x
  3. Step 3: Cross multiply
    1,348,781.58x = 1,861,296.86 × 736,921.21
  4. Step 4: Simplify right side
    1,348,781.58x = 1,371,629,135,209.04
  5. Step 5: Solve for x
    x = 1,371,629,135,209.04/1,348,781.58
  6. Step 6: Final answer
    x = 1,016,939.41

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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.