Home / 1,321,633.38-1,982,443.58-375,005.82

Finding the Fourth Proportional to 1,321,633.38, 1,982,443.58 and 375,005.82

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Solution

The fourth proportional to 1,321,633.38, 1,982,443.58 and 375,005.82 is: 562,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,633.38 : 1,982,443.58 = 375,005.82 : x
  2. Step 2: Convert to fraction form
    1,321,633.38/1,982,443.58 = 375,005.82/x
  3. Step 3: Cross multiply
    1,321,633.38x = 1,982,443.58 × 375,005.82
  4. Step 4: Simplify right side
    1,321,633.38x = 743,427,880,321.64
  5. Step 5: Solve for x
    x = 743,427,880,321.64/1,321,633.38
  6. Step 6: Final answer
    x = 562,506.89

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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.