Home / 956,721.20-1,435,081.80-800,423.60

Finding the Fourth Proportional to 956,721.20, 1,435,081.80 and 800,423.60

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Solution

The fourth proportional to 956,721.20, 1,435,081.80 and 800,423.60 is: 1,200,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,721.20 : 1,435,081.80 = 800,423.60 : x
  2. Step 2: Convert to fraction form
    956,721.20/1,435,081.80 = 800,423.60/x
  3. Step 3: Cross multiply
    956,721.20x = 1,435,081.80 × 800,423.60
  4. Step 4: Simplify right side
    956,721.20x = 1,148,673,340,650.48
  5. Step 5: Solve for x
    x = 1,148,673,340,650.48/956,721.20
  6. Step 6: Final answer
    x = 1,200,635.40

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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.