Home / 1,028,277.87-1,542,400.27-280,323.87

Finding the Fourth Proportional to 1,028,277.87, 1,542,400.27 and 280,323.87

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Solution

The fourth proportional to 1,028,277.87, 1,542,400.27 and 280,323.87 is: 420,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,277.87 : 1,542,400.27 = 280,323.87 : x
  2. Step 2: Convert to fraction form
    1,028,277.87/1,542,400.27 = 280,323.87/x
  3. Step 3: Cross multiply
    1,028,277.87x = 1,542,400.27 × 280,323.87
  4. Step 4: Simplify right side
    1,028,277.87x = 432,371,612,775.45
  5. Step 5: Solve for x
    x = 432,371,612,775.45/1,028,277.87
  6. Step 6: Final answer
    x = 420,481.30

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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.