Home / 1,150,180.80-1,725,271.20-520,324.80

Finding the Fourth Proportional to 1,150,180.80, 1,725,271.20 and 520,324.80

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Solution

The fourth proportional to 1,150,180.80, 1,725,271.20 and 520,324.80 is: 780,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,180.80 : 1,725,271.20 = 520,324.80 : x
  2. Step 2: Convert to fraction form
    1,150,180.80/1,725,271.20 = 520,324.80/x
  3. Step 3: Cross multiply
    1,150,180.80x = 1,725,271.20 × 520,324.80
  4. Step 4: Simplify right side
    1,150,180.80x = 897,701,392,085.76
  5. Step 5: Solve for x
    x = 897,701,392,085.76/1,150,180.80
  6. Step 6: Final answer
    x = 780,487.20

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Half scale
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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.