Home / 1,028,311.14-1,542,450.18-280,357.14

Finding the Fourth Proportional to 1,028,311.14, 1,542,450.18 and 280,357.14

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Solution

The fourth proportional to 1,028,311.14, 1,542,450.18 and 280,357.14 is: 420,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,311.14 : 1,542,450.18 = 280,357.14 : x
  2. Step 2: Convert to fraction form
    1,028,311.14/1,542,450.18 = 280,357.14/x
  3. Step 3: Cross multiply
    1,028,311.14x = 1,542,450.18 × 280,357.14
  4. Step 4: Simplify right side
    1,028,311.14x = 432,436,921,057.29
  5. Step 5: Solve for x
    x = 432,436,921,057.29/1,028,311.14
  6. Step 6: Final answer
    x = 420,531.20

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Double scale
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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.