Home / 807,842.80-1,211,764.20-683,426.80

Finding the Fourth Proportional to 807,842.80, 1,211,764.20 and 683,426.80

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Solution

The fourth proportional to 807,842.80, 1,211,764.20 and 683,426.80 is: 1,025,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,842.80 : 1,211,764.20 = 683,426.80 : x
  2. Step 2: Convert to fraction form
    807,842.80/1,211,764.20 = 683,426.80/x
  3. Step 3: Cross multiply
    807,842.80x = 1,211,764.20 × 683,426.80
  4. Step 4: Simplify right side
    807,842.80x = 828,152,129,560.56
  5. Step 5: Solve for x
    x = 828,152,129,560.56/807,842.80
  6. Step 6: Final answer
    x = 1,025,140.20

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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.