Home / 1,790,342.16-2,685,486.82-442,504.91

Finding the Fourth Proportional to 1,790,342.16, 2,685,486.82 and 442,504.91

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Solution

The fourth proportional to 1,790,342.16, 2,685,486.82 and 442,504.91 is: 663,750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,342.16 : 2,685,486.82 = 442,504.91 : x
  2. Step 2: Convert to fraction form
    1,790,342.16/2,685,486.82 = 442,504.91/x
  3. Step 3: Cross multiply
    1,790,342.16x = 2,685,486.82 × 442,504.91
  4. Step 4: Simplify right side
    1,790,342.16x = 1,188,341,090,162.85
  5. Step 5: Solve for x
    x = 1,188,341,090,162.85/1,790,342.16
  6. Step 6: Final answer
    x = 663,750.83

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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.