Home / 1,185,676.04-1,778,540.52-427,578.68

Finding the Fourth Proportional to 1,185,676.04, 1,778,540.52 and 427,578.68

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Solution

The fourth proportional to 1,185,676.04, 1,778,540.52 and 427,578.68 is: 641,377.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,676.04 : 1,778,540.52 = 427,578.68 : x
  2. Step 2: Convert to fraction form
    1,185,676.04/1,778,540.52 = 427,578.68/x
  3. Step 3: Cross multiply
    1,185,676.04x = 1,778,540.52 × 427,578.68
  4. Step 4: Simplify right side
    1,185,676.04x = 760,466,007,868.11
  5. Step 5: Solve for x
    x = 760,466,007,868.11/1,185,676.04
  6. Step 6: Final answer
    x = 641,377.56

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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.