Home / 1,028,275.36-1,542,396.53-280,321.36

Finding the Fourth Proportional to 1,028,275.36, 1,542,396.53 and 280,321.36

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Solution

The fourth proportional to 1,028,275.36, 1,542,396.53 and 280,321.36 is: 420,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,275.36 : 1,542,396.53 = 280,321.36 : x
  2. Step 2: Convert to fraction form
    1,028,275.36/1,542,396.53 = 280,321.36/x
  3. Step 3: Cross multiply
    1,028,275.36x = 1,542,396.53 × 280,321.36
  4. Step 4: Simplify right side
    1,028,275.36x = 432,366,689,793.69
  5. Step 5: Solve for x
    x = 432,366,689,793.69/1,028,275.36
  6. Step 6: Final answer
    x = 420,477.54

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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.