Home / 1,226.50-1,840.32-904.52

Finding the Fourth Proportional to 1,226.50, 1,840.32 and 904.52

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Solution

The fourth proportional to 1,226.50, 1,840.32 and 904.52 is: 1,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.50 : 1,840.32 = 904.52 : x
  2. Step 2: Convert to fraction form
    1,226.50/1,840.32 = 904.52/x
  3. Step 3: Cross multiply
    1,226.50x = 1,840.32 × 904.52
  4. Step 4: Simplify right side
    1,226.50x = 1,664,610.85
  5. Step 5: Solve for x
    x = 1,664,610.85/1,226.50
  6. Step 6: Final answer
    x = 1,357.21

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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.