Home / 1,790,345.97-2,685,492.54-442,508.73

Finding the Fourth Proportional to 1,790,345.97, 2,685,492.54 and 442,508.73

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Solution

The fourth proportional to 1,790,345.97, 2,685,492.54 and 442,508.73 is: 663,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,345.97 : 2,685,492.54 = 442,508.73 : x
  2. Step 2: Convert to fraction form
    1,790,345.97/2,685,492.54 = 442,508.73/x
  3. Step 3: Cross multiply
    1,790,345.97x = 2,685,492.54 × 442,508.73
  4. Step 4: Simplify right side
    1,790,345.97x = 1,188,353,893,299.87
  5. Step 5: Solve for x
    x = 1,188,353,893,299.87/1,790,345.97
  6. Step 6: Final answer
    x = 663,756.57

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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.