Home / 1,196,382.72-1,651,263.66-687,365.76

Finding the Fourth Proportional to 1,196,382.72, 1,651,263.66 and 687,365.76

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Solution

The fourth proportional to 1,196,382.72, 1,651,263.66 and 687,365.76 is: 948,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,382.72 : 1,651,263.66 = 687,365.76 : x
  2. Step 2: Convert to fraction form
    1,196,382.72/1,651,263.66 = 687,365.76/x
  3. Step 3: Cross multiply
    1,196,382.72x = 1,651,263.66 × 687,365.76
  4. Step 4: Simplify right side
    1,196,382.72x = 1,135,022,100,616.28
  5. Step 5: Solve for x
    x = 1,135,022,100,616.28/1,196,382.72
  6. Step 6: Final answer
    x = 948,711.55

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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.