Home / 960,067.60-1,440,101.40-857,424.40

Finding the Fourth Proportional to 960,067.60, 1,440,101.40 and 857,424.40

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Solution

The fourth proportional to 960,067.60, 1,440,101.40 and 857,424.40 is: 1,286,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,067.60 : 1,440,101.40 = 857,424.40 : x
  2. Step 2: Convert to fraction form
    960,067.60/1,440,101.40 = 857,424.40/x
  3. Step 3: Cross multiply
    960,067.60x = 1,440,101.40 × 857,424.40
  4. Step 4: Simplify right side
    960,067.60x = 1,234,778,078,834.16
  5. Step 5: Solve for x
    x = 1,234,778,078,834.16/960,067.60
  6. Step 6: Final answer
    x = 1,286,136.60

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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.