Home / 1,432,400.25-2,148,143.91-472,676.97

Finding the Fourth Proportional to 1,432,400.25, 2,148,143.91 and 472,676.97

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Solution

The fourth proportional to 1,432,400.25, 2,148,143.91 and 472,676.97 is: 708,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,400.25 : 2,148,143.91 = 472,676.97 : x
  2. Step 2: Convert to fraction form
    1,432,400.25/2,148,143.91 = 472,676.97/x
  3. Step 3: Cross multiply
    1,432,400.25x = 2,148,143.91 × 472,676.97
  4. Step 4: Simplify right side
    1,432,400.25x = 1,015,378,154,502.75
  5. Step 5: Solve for x
    x = 1,015,378,154,502.75/1,432,400.25
  6. Step 6: Final answer
    x = 708,864.83

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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.