Home / 1,120.01-1,677.26-923.81

Finding the Fourth Proportional to 1,120.01, 1,677.26 and 923.81

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Solution

The fourth proportional to 1,120.01, 1,677.26 and 923.81 is: 1,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120.01 : 1,677.26 = 923.81 : x
  2. Step 2: Convert to fraction form
    1,120.01/1,677.26 = 923.81/x
  3. Step 3: Cross multiply
    1,120.01x = 1,677.26 × 923.81
  4. Step 4: Simplify right side
    1,120.01x = 1,549,463.48
  5. Step 5: Solve for x
    x = 1,549,463.48/1,120.01
  6. Step 6: Final answer
    x = 1,383.44

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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.