Home / 1,078,077.20-1,617,115.80-1,025,589.20

Finding the Fourth Proportional to 1,078,077.20, 1,617,115.80 and 1,025,589.20

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Solution

The fourth proportional to 1,078,077.20, 1,617,115.80 and 1,025,589.20 is: 1,538,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,077.20 : 1,617,115.80 = 1,025,589.20 : x
  2. Step 2: Convert to fraction form
    1,078,077.20/1,617,115.80 = 1,025,589.20/x
  3. Step 3: Cross multiply
    1,078,077.20x = 1,617,115.80 × 1,025,589.20
  4. Step 4: Simplify right side
    1,078,077.20x = 1,658,496,499,629.36
  5. Step 5: Solve for x
    x = 1,658,496,499,629.36/1,078,077.20
  6. Step 6: Final answer
    x = 1,538,383.80

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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.