Home / 1,180,369.40-1,769,679.30-505,898.60

Finding the Fourth Proportional to 1,180,369.40, 1,769,679.30 and 505,898.60

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Solution

The fourth proportional to 1,180,369.40, 1,769,679.30 and 505,898.60 is: 758,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,369.40 : 1,769,679.30 = 505,898.60 : x
  2. Step 2: Convert to fraction form
    1,180,369.40/1,769,679.30 = 505,898.60/x
  3. Step 3: Cross multiply
    1,180,369.40x = 1,769,679.30 × 505,898.60
  4. Step 4: Simplify right side
    1,180,369.40x = 895,278,280,318.98
  5. Step 5: Solve for x
    x = 895,278,280,318.98/1,180,369.40
  6. Step 6: Final answer
    x = 758,472.97

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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.