Home / 1,093,261.20-1,639,891.80-345,307.20

Finding the Fourth Proportional to 1,093,261.20, 1,639,891.80 and 345,307.20

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Solution

The fourth proportional to 1,093,261.20, 1,639,891.80 and 345,307.20 is: 517,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,261.20 : 1,639,891.80 = 345,307.20 : x
  2. Step 2: Convert to fraction form
    1,093,261.20/1,639,891.80 = 345,307.20/x
  3. Step 3: Cross multiply
    1,093,261.20x = 1,639,891.80 × 345,307.20
  4. Step 4: Simplify right side
    1,093,261.20x = 566,266,445,760.96
  5. Step 5: Solve for x
    x = 566,266,445,760.96/1,093,261.20
  6. Step 6: Final answer
    x = 517,960.80

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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.