Home / 1,173,333.55-1,619,212.83-720,624.55

Finding the Fourth Proportional to 1,173,333.55, 1,619,212.83 and 720,624.55

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Solution

The fourth proportional to 1,173,333.55, 1,619,212.83 and 720,624.55 is: 994,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,333.55 : 1,619,212.83 = 720,624.55 : x
  2. Step 2: Convert to fraction form
    1,173,333.55/1,619,212.83 = 720,624.55/x
  3. Step 3: Cross multiply
    1,173,333.55x = 1,619,212.83 × 720,624.55
  4. Step 4: Simplify right side
    1,173,333.55x = 1,166,844,505,273.79
  5. Step 5: Solve for x
    x = 1,166,844,505,273.79/1,173,333.55
  6. Step 6: Final answer
    x = 994,469.57

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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.