Home / 1,451,956.38-2,178,038.25-386,992.86

Finding the Fourth Proportional to 1,451,956.38, 2,178,038.25 and 386,992.86

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Solution

The fourth proportional to 1,451,956.38, 2,178,038.25 and 386,992.86 is: 580,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,956.38 : 2,178,038.25 = 386,992.86 : x
  2. Step 2: Convert to fraction form
    1,451,956.38/2,178,038.25 = 386,992.86/x
  3. Step 3: Cross multiply
    1,451,956.38x = 2,178,038.25 × 386,992.86
  4. Step 4: Simplify right side
    1,451,956.38x = 842,885,251,556.90
  5. Step 5: Solve for x
    x = 842,885,251,556.90/1,451,956.38
  6. Step 6: Final answer
    x = 580,516.92

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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.