Home / 906,814.40-1,360,221.60-808,836.80

Finding the Fourth Proportional to 906,814.40, 1,360,221.60 and 808,836.80

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Solution

The fourth proportional to 906,814.40, 1,360,221.60 and 808,836.80 is: 1,213,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,814.40 : 1,360,221.60 = 808,836.80 : x
  2. Step 2: Convert to fraction form
    906,814.40/1,360,221.60 = 808,836.80/x
  3. Step 3: Cross multiply
    906,814.40x = 1,360,221.60 × 808,836.80
  4. Step 4: Simplify right side
    906,814.40x = 1,100,197,286,234.88
  5. Step 5: Solve for x
    x = 1,100,197,286,234.88/906,814.40
  6. Step 6: Final answer
    x = 1,213,255.20

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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.