Home / 1,293,371.20-1,940,056.80-451,813.60

Finding the Fourth Proportional to 1,293,371.20, 1,940,056.80 and 451,813.60

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Solution

The fourth proportional to 1,293,371.20, 1,940,056.80 and 451,813.60 is: 677,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,371.20 : 1,940,056.80 = 451,813.60 : x
  2. Step 2: Convert to fraction form
    1,293,371.20/1,940,056.80 = 451,813.60/x
  3. Step 3: Cross multiply
    1,293,371.20x = 1,940,056.80 × 451,813.60
  4. Step 4: Simplify right side
    1,293,371.20x = 876,544,047,012.48
  5. Step 5: Solve for x
    x = 876,544,047,012.48/1,293,371.20
  6. Step 6: Final answer
    x = 677,720.40

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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.