Home / 823,925.40-1,235,888.10-809,928.60

Finding the Fourth Proportional to 823,925.40, 1,235,888.10 and 809,928.60

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Solution

The fourth proportional to 823,925.40, 1,235,888.10 and 809,928.60 is: 1,214,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,925.40 : 1,235,888.10 = 809,928.60 : x
  2. Step 2: Convert to fraction form
    823,925.40/1,235,888.10 = 809,928.60/x
  3. Step 3: Cross multiply
    823,925.40x = 1,235,888.10 × 809,928.60
  4. Step 4: Simplify right side
    823,925.40x = 1,000,981,118,589.66
  5. Step 5: Solve for x
    x = 1,000,981,118,589.66/823,925.40
  6. Step 6: Final answer
    x = 1,214,892.90

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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.