Home / 1,262,956.23-1,894,561.92-409,992.21

Finding the Fourth Proportional to 1,262,956.23, 1,894,561.92 and 409,992.21

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Solution

The fourth proportional to 1,262,956.23, 1,894,561.92 and 409,992.21 is: 615,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,956.23 : 1,894,561.92 = 409,992.21 : x
  2. Step 2: Convert to fraction form
    1,262,956.23/1,894,561.92 = 409,992.21/x
  3. Step 3: Cross multiply
    1,262,956.23x = 1,894,561.92 × 409,992.21
  4. Step 4: Simplify right side
    1,262,956.23x = 776,755,628,562.64
  5. Step 5: Solve for x
    x = 776,755,628,562.64/1,262,956.23
  6. Step 6: Final answer
    x = 615,029.73

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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.