Home / 1,790,357.10-2,685,509.25-442,519.80

Finding the Fourth Proportional to 1,790,357.10, 2,685,509.25 and 442,519.80

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Solution

The fourth proportional to 1,790,357.10, 2,685,509.25 and 442,519.80 is: 663,773.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,357.10 : 2,685,509.25 = 442,519.80 : x
  2. Step 2: Convert to fraction form
    1,790,357.10/2,685,509.25 = 442,519.80/x
  3. Step 3: Cross multiply
    1,790,357.10x = 2,685,509.25 × 442,519.80
  4. Step 4: Simplify right side
    1,790,357.10x = 1,188,391,016,208.15
  5. Step 5: Solve for x
    x = 1,188,391,016,208.15/1,790,357.10
  6. Step 6: Final answer
    x = 663,773.17

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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.