Home / 782,116.20-1,097,911.80-782,116.20

Finding the Fourth Proportional to 782,116.20, 1,097,911.80 and 782,116.20

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Solution

The fourth proportional to 782,116.20, 1,097,911.80 and 782,116.20 is: 1,097,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,116.20 : 1,097,911.80 = 782,116.20 : x
  2. Step 2: Convert to fraction form
    782,116.20/1,097,911.80 = 782,116.20/x
  3. Step 3: Cross multiply
    782,116.20x = 1,097,911.80 × 782,116.20
  4. Step 4: Simplify right side
    782,116.20x = 858,694,604,951.16
  5. Step 5: Solve for x
    x = 858,694,604,951.16/782,116.20
  6. Step 6: Final answer
    x = 1,097,911.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.