Home / 984,092.80-1,475,217.60-770,742.40

Finding the Fourth Proportional to 984,092.80, 1,475,217.60 and 770,742.40

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Solution

The fourth proportional to 984,092.80, 1,475,217.60 and 770,742.40 is: 1,155,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,092.80 : 1,475,217.60 = 770,742.40 : x
  2. Step 2: Convert to fraction form
    984,092.80/1,475,217.60 = 770,742.40/x
  3. Step 3: Cross multiply
    984,092.80x = 1,475,217.60 × 770,742.40
  4. Step 4: Simplify right side
    984,092.80x = 1,137,012,753,546.24
  5. Step 5: Solve for x
    x = 1,137,012,753,546.24/984,092.80
  6. Step 6: Final answer
    x = 1,155,391.80

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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.