Home / 1,321,912.75-1,824,250.53-718,300.75

Finding the Fourth Proportional to 1,321,912.75, 1,824,250.53 and 718,300.75

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Solution

The fourth proportional to 1,321,912.75, 1,824,250.53 and 718,300.75 is: 991,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,912.75 : 1,824,250.53 = 718,300.75 : x
  2. Step 2: Convert to fraction form
    1,321,912.75/1,824,250.53 = 718,300.75/x
  3. Step 3: Cross multiply
    1,321,912.75x = 1,824,250.53 × 718,300.75
  4. Step 4: Simplify right side
    1,321,912.75x = 1,310,360,523,886.90
  5. Step 5: Solve for x
    x = 1,310,360,523,886.90/1,321,912.75
  6. Step 6: Final answer
    x = 991,260.98

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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.