Home / 1,055,190.90-1,582,772.52-256,470.12

Finding the Fourth Proportional to 1,055,190.90, 1,582,772.52 and 256,470.12

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Solution

The fourth proportional to 1,055,190.90, 1,582,772.52 and 256,470.12 is: 384,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,190.90 : 1,582,772.52 = 256,470.12 : x
  2. Step 2: Convert to fraction form
    1,055,190.90/1,582,772.52 = 256,470.12/x
  3. Step 3: Cross multiply
    1,055,190.90x = 1,582,772.52 × 256,470.12
  4. Step 4: Simplify right side
    1,055,190.90x = 405,933,858,137.10
  5. Step 5: Solve for x
    x = 405,933,858,137.10/1,055,190.90
  6. Step 6: Final answer
    x = 384,701.82

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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.