Home / 1,644,147.20-2,466,220.80-522,329.60

Finding the Fourth Proportional to 1,644,147.20, 2,466,220.80 and 522,329.60

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Solution

The fourth proportional to 1,644,147.20, 2,466,220.80 and 522,329.60 is: 783,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,147.20 : 2,466,220.80 = 522,329.60 : x
  2. Step 2: Convert to fraction form
    1,644,147.20/2,466,220.80 = 522,329.60/x
  3. Step 3: Cross multiply
    1,644,147.20x = 2,466,220.80 × 522,329.60
  4. Step 4: Simplify right side
    1,644,147.20x = 1,288,180,123,975.68
  5. Step 5: Solve for x
    x = 1,288,180,123,975.68/1,644,147.20
  6. Step 6: Final answer
    x = 783,494.40

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Double scale
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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.