Home / 1,321,910.75-1,824,247.77-718,298.75

Finding the Fourth Proportional to 1,321,910.75, 1,824,247.77 and 718,298.75

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Solution

The fourth proportional to 1,321,910.75, 1,824,247.77 and 718,298.75 is: 991,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,910.75 : 1,824,247.77 = 718,298.75 : x
  2. Step 2: Convert to fraction form
    1,321,910.75/1,824,247.77 = 718,298.75/x
  3. Step 3: Cross multiply
    1,321,910.75x = 1,824,247.77 × 718,298.75
  4. Step 4: Simplify right side
    1,321,910.75x = 1,310,354,892,881.29
  5. Step 5: Solve for x
    x = 1,310,354,892,881.29/1,321,910.75
  6. Step 6: Final answer
    x = 991,258.22

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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.