Home / 1,180,056.30-1,628,057.79-696,379.38

Finding the Fourth Proportional to 1,180,056.30, 1,628,057.79 and 696,379.38

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Solution

The fourth proportional to 1,180,056.30, 1,628,057.79 and 696,379.38 is: 960,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,056.30 : 1,628,057.79 = 696,379.38 : x
  2. Step 2: Convert to fraction form
    1,180,056.30/1,628,057.79 = 696,379.38/x
  3. Step 3: Cross multiply
    1,180,056.30x = 1,628,057.79 × 696,379.38
  4. Step 4: Simplify right side
    1,180,056.30x = 1,133,745,874,404.37
  5. Step 5: Solve for x
    x = 1,133,745,874,404.37/1,180,056.30
  6. Step 6: Final answer
    x = 960,755.75

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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.