Home / 1,443,873.56-1,992,656.18-823,692.38

Finding the Fourth Proportional to 1,443,873.56, 1,992,656.18 and 823,692.38

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Solution

The fourth proportional to 1,443,873.56, 1,992,656.18 and 823,692.38 is: 1,136,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,873.56 : 1,992,656.18 = 823,692.38 : x
  2. Step 2: Convert to fraction form
    1,443,873.56/1,992,656.18 = 823,692.38/x
  3. Step 3: Cross multiply
    1,443,873.56x = 1,992,656.18 × 823,692.38
  4. Step 4: Simplify right side
    1,443,873.56x = 1,641,335,707,905.47
  5. Step 5: Solve for x
    x = 1,641,335,707,905.47/1,443,873.56
  6. Step 6: Final answer
    x = 1,136,758.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.