Home / 2,578,729.32-3,867,178.68-756,585.72

Finding the Fourth Proportional to 2,578,729.32, 3,867,178.68 and 756,585.72

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Solution

The fourth proportional to 2,578,729.32, 3,867,178.68 and 756,585.72 is: 1,134,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,729.32 : 3,867,178.68 = 756,585.72 : x
  2. Step 2: Convert to fraction form
    2,578,729.32/3,867,178.68 = 756,585.72/x
  3. Step 3: Cross multiply
    2,578,729.32x = 3,867,178.68 × 756,585.72
  4. Step 4: Simplify right side
    2,578,729.32x = 2,925,852,165,976.45
  5. Step 5: Solve for x
    x = 2,925,852,165,976.45/2,578,729.32
  6. Step 6: Final answer
    x = 1,134,610.04

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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.