Home / 1,180,370.40-1,769,680.80-505,899.60

Finding the Fourth Proportional to 1,180,370.40, 1,769,680.80 and 505,899.60

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Solution

The fourth proportional to 1,180,370.40, 1,769,680.80 and 505,899.60 is: 758,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,370.40 : 1,769,680.80 = 505,899.60 : x
  2. Step 2: Convert to fraction form
    1,180,370.40/1,769,680.80 = 505,899.60/x
  3. Step 3: Cross multiply
    1,180,370.40x = 1,769,680.80 × 505,899.60
  4. Step 4: Simplify right side
    1,180,370.40x = 895,280,808,847.68
  5. Step 5: Solve for x
    x = 895,280,808,847.68/1,180,370.40
  6. Step 6: Final answer
    x = 758,474.47

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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.