Home / 1,782,910.80-2,674,366.20-660,747.60

Finding the Fourth Proportional to 1,782,910.80, 2,674,366.20 and 660,747.60

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Solution

The fourth proportional to 1,782,910.80, 2,674,366.20 and 660,747.60 is: 991,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,910.80 : 2,674,366.20 = 660,747.60 : x
  2. Step 2: Convert to fraction form
    1,782,910.80/2,674,366.20 = 660,747.60/x
  3. Step 3: Cross multiply
    1,782,910.80x = 2,674,366.20 × 660,747.60
  4. Step 4: Simplify right side
    1,782,910.80x = 1,767,081,048,171.12
  5. Step 5: Solve for x
    x = 1,767,081,048,171.12/1,782,910.80
  6. Step 6: Final answer
    x = 991,121.40

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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.