Home / 890,834.40-1,336,251.60-741,243.60

Finding the Fourth Proportional to 890,834.40, 1,336,251.60 and 741,243.60

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Solution

The fourth proportional to 890,834.40, 1,336,251.60 and 741,243.60 is: 1,111,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,834.40 : 1,336,251.60 = 741,243.60 : x
  2. Step 2: Convert to fraction form
    890,834.40/1,336,251.60 = 741,243.60/x
  3. Step 3: Cross multiply
    890,834.40x = 1,336,251.60 × 741,243.60
  4. Step 4: Simplify right side
    890,834.40x = 990,487,946,489.76
  5. Step 5: Solve for x
    x = 990,487,946,489.76/890,834.40
  6. Step 6: Final answer
    x = 1,111,865.40

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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.