Home / 1,485,505.21-2,229,085.74-802,378.27

Finding the Fourth Proportional to 1,485,505.21, 2,229,085.74 and 802,378.27

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Solution

The fourth proportional to 1,485,505.21, 2,229,085.74 and 802,378.27 is: 1,204,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,505.21 : 2,229,085.74 = 802,378.27 : x
  2. Step 2: Convert to fraction form
    1,485,505.21/2,229,085.74 = 802,378.27/x
  3. Step 3: Cross multiply
    1,485,505.21x = 2,229,085.74 × 802,378.27
  4. Step 4: Simplify right side
    1,485,505.21x = 1,788,569,957,736.92
  5. Step 5: Solve for x
    x = 1,788,569,957,736.92/1,485,505.21
  6. Step 6: Final answer
    x = 1,204,014.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.