Home / 1,578,425.08-2,367,659.46-513,472.72

Finding the Fourth Proportional to 1,578,425.08, 2,367,659.46 and 513,472.72

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Solution

The fourth proportional to 1,578,425.08, 2,367,659.46 and 513,472.72 is: 770,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,425.08 : 2,367,659.46 = 513,472.72 : x
  2. Step 2: Convert to fraction form
    1,578,425.08/2,367,659.46 = 513,472.72/x
  3. Step 3: Cross multiply
    1,578,425.08x = 2,367,659.46 × 513,472.72
  4. Step 4: Simplify right side
    1,578,425.08x = 1,215,728,542,959.93
  5. Step 5: Solve for x
    x = 1,215,728,542,959.93/1,578,425.08
  6. Step 6: Final answer
    x = 770,216.18

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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.