Home / 1,071,143.92-1,606,708.94-272,418.56

Finding the Fourth Proportional to 1,071,143.92, 1,606,708.94 and 272,418.56

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Solution

The fourth proportional to 1,071,143.92, 1,606,708.94 and 272,418.56 is: 408,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,143.92 : 1,606,708.94 = 272,418.56 : x
  2. Step 2: Convert to fraction form
    1,071,143.92/1,606,708.94 = 272,418.56/x
  3. Step 3: Cross multiply
    1,071,143.92x = 1,606,708.94 × 272,418.56
  4. Step 4: Simplify right side
    1,071,143.92x = 437,697,335,773.93
  5. Step 5: Solve for x
    x = 437,697,335,773.93/1,071,143.92
  6. Step 6: Final answer
    x = 408,626.07

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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.