Home / 984,857.70-1,477,286.55-860,441.70

Finding the Fourth Proportional to 984,857.70, 1,477,286.55 and 860,441.70

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Solution

The fourth proportional to 984,857.70, 1,477,286.55 and 860,441.70 is: 1,290,662.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,857.70 : 1,477,286.55 = 860,441.70 : x
  2. Step 2: Convert to fraction form
    984,857.70/1,477,286.55 = 860,441.70/x
  3. Step 3: Cross multiply
    984,857.70x = 1,477,286.55 × 860,441.70
  4. Step 4: Simplify right side
    984,857.70x = 1,271,118,950,469.14
  5. Step 5: Solve for x
    x = 1,271,118,950,469.14/984,857.70
  6. Step 6: Final answer
    x = 1,290,662.55

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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.