Home / 1,078,183.20-1,617,274.80-1,025,695.20

Finding the Fourth Proportional to 1,078,183.20, 1,617,274.80 and 1,025,695.20

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Solution

The fourth proportional to 1,078,183.20, 1,617,274.80 and 1,025,695.20 is: 1,538,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,183.20 : 1,617,274.80 = 1,025,695.20 : x
  2. Step 2: Convert to fraction form
    1,078,183.20/1,617,274.80 = 1,025,695.20/x
  3. Step 3: Cross multiply
    1,078,183.20x = 1,617,274.80 × 1,025,695.20
  4. Step 4: Simplify right side
    1,078,183.20x = 1,658,830,999,440.96
  5. Step 5: Solve for x
    x = 1,658,830,999,440.96/1,078,183.20
  6. Step 6: Final answer
    x = 1,538,542.80

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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.