Home / 979,376.20-1,469,064.30-854,960.20

Finding the Fourth Proportional to 979,376.20, 1,469,064.30 and 854,960.20

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Solution

The fourth proportional to 979,376.20, 1,469,064.30 and 854,960.20 is: 1,282,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,376.20 : 1,469,064.30 = 854,960.20 : x
  2. Step 2: Convert to fraction form
    979,376.20/1,469,064.30 = 854,960.20/x
  3. Step 3: Cross multiply
    979,376.20x = 1,469,064.30 × 854,960.20
  4. Step 4: Simplify right side
    979,376.20x = 1,255,991,507,740.86
  5. Step 5: Solve for x
    x = 1,255,991,507,740.86/979,376.20
  6. Step 6: Final answer
    x = 1,282,440.30

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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.