Home / 769,640.40-1,151,836.20-769,640.40

Finding the Fourth Proportional to 769,640.40, 1,151,836.20 and 769,640.40

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Solution

The fourth proportional to 769,640.40, 1,151,836.20 and 769,640.40 is: 1,151,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,640.40 : 1,151,836.20 = 769,640.40 : x
  2. Step 2: Convert to fraction form
    769,640.40/1,151,836.20 = 769,640.40/x
  3. Step 3: Cross multiply
    769,640.40x = 1,151,836.20 × 769,640.40
  4. Step 4: Simplify right side
    769,640.40x = 886,499,673,702.48
  5. Step 5: Solve for x
    x = 886,499,673,702.48/769,640.40
  6. Step 6: Final answer
    x = 1,151,836.20

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1.5x scale

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.