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Finding the Fourth Proportional to 1,036.74, 1,556.67 and 892.07

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Solution

The fourth proportional to 1,036.74, 1,556.67 and 892.07 is: 1,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.74 : 1,556.67 = 892.07 : x
  2. Step 2: Convert to fraction form
    1,036.74/1,556.67 = 892.07/x
  3. Step 3: Cross multiply
    1,036.74x = 1,556.67 × 892.07
  4. Step 4: Simplify right side
    1,036.74x = 1,388,656.66
  5. Step 5: Solve for x
    x = 1,388,656.66/1,036.74
  6. Step 6: Final answer
    x = 1,339.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.