Home / 1,055,420.52-1,582,191.15-381,351.48

Finding the Fourth Proportional to 1,055,420.52, 1,582,191.15 and 381,351.48

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Solution

The fourth proportional to 1,055,420.52, 1,582,191.15 and 381,351.48 is: 571,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,420.52 : 1,582,191.15 = 381,351.48 : x
  2. Step 2: Convert to fraction form
    1,055,420.52/1,582,191.15 = 381,351.48/x
  3. Step 3: Cross multiply
    1,055,420.52x = 1,582,191.15 × 381,351.48
  4. Step 4: Simplify right side
    1,055,420.52x = 603,370,936,695.40
  5. Step 5: Solve for x
    x = 603,370,936,695.40/1,055,420.52
  6. Step 6: Final answer
    x = 571,687.71

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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.