Home / 1,235,234.80-1,852,852.20-487,183.60

Finding the Fourth Proportional to 1,235,234.80, 1,852,852.20 and 487,183.60

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Solution

The fourth proportional to 1,235,234.80, 1,852,852.20 and 487,183.60 is: 730,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,234.80 : 1,852,852.20 = 487,183.60 : x
  2. Step 2: Convert to fraction form
    1,235,234.80/1,852,852.20 = 487,183.60/x
  3. Step 3: Cross multiply
    1,235,234.80x = 1,852,852.20 × 487,183.60
  4. Step 4: Simplify right side
    1,235,234.80x = 902,679,205,063.92
  5. Step 5: Solve for x
    x = 902,679,205,063.92/1,235,234.80
  6. Step 6: Final answer
    x = 730,775.40

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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.