Home / 906,891.60-1,360,337.40-826,021.20

Finding the Fourth Proportional to 906,891.60, 1,360,337.40 and 826,021.20

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Solution

The fourth proportional to 906,891.60, 1,360,337.40 and 826,021.20 is: 1,239,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,891.60 : 1,360,337.40 = 826,021.20 : x
  2. Step 2: Convert to fraction form
    906,891.60/1,360,337.40 = 826,021.20/x
  3. Step 3: Cross multiply
    906,891.60x = 1,360,337.40 × 826,021.20
  4. Step 4: Simplify right side
    906,891.60x = 1,123,667,531,552.88
  5. Step 5: Solve for x
    x = 1,123,667,531,552.88/906,891.60
  6. Step 6: Final answer
    x = 1,239,031.80

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Similar ratio
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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.