Home / 785,839.28-1,179,583.32-696,453.80

Finding the Fourth Proportional to 785,839.28, 1,179,583.32 and 696,453.80

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Solution

The fourth proportional to 785,839.28, 1,179,583.32 and 696,453.80 is: 1,045,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,839.28 : 1,179,583.32 = 696,453.80 : x
  2. Step 2: Convert to fraction form
    785,839.28/1,179,583.32 = 696,453.80/x
  3. Step 3: Cross multiply
    785,839.28x = 1,179,583.32 × 696,453.80
  4. Step 4: Simplify right side
    785,839.28x = 821,525,285,630.62
  5. Step 5: Solve for x
    x = 821,525,285,630.62/785,839.28
  6. Step 6: Final answer
    x = 1,045,411.33

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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.