Home / 1,028,276.36-1,542,398.03-280,322.36

Finding the Fourth Proportional to 1,028,276.36, 1,542,398.03 and 280,322.36

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Solution

The fourth proportional to 1,028,276.36, 1,542,398.03 and 280,322.36 is: 420,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,276.36 : 1,542,398.03 = 280,322.36 : x
  2. Step 2: Convert to fraction form
    1,028,276.36/1,542,398.03 = 280,322.36/x
  3. Step 3: Cross multiply
    1,028,276.36x = 1,542,398.03 × 280,322.36
  4. Step 4: Simplify right side
    1,028,276.36x = 432,368,655,828.95
  5. Step 5: Solve for x
    x = 432,368,655,828.95/1,028,276.36
  6. Step 6: Final answer
    x = 420,479.04

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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.