Home / 1,125,922.39-1,689,168.74-327,186.79

Finding the Fourth Proportional to 1,125,922.39, 1,689,168.74 and 327,186.79

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Solution

The fourth proportional to 1,125,922.39, 1,689,168.74 and 327,186.79 is: 490,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,922.39 : 1,689,168.74 = 327,186.79 : x
  2. Step 2: Convert to fraction form
    1,125,922.39/1,689,168.74 = 327,186.79/x
  3. Step 3: Cross multiply
    1,125,922.39x = 1,689,168.74 × 327,186.79
  4. Step 4: Simplify right side
    1,125,922.39x = 552,673,697,808.95
  5. Step 5: Solve for x
    x = 552,673,697,808.95/1,125,922.39
  6. Step 6: Final answer
    x = 490,863.05

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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.