Home / 1,125.24-1,684.26-603.93

Finding the Fourth Proportional to 1,125.24, 1,684.26 and 603.93

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Solution

The fourth proportional to 1,125.24, 1,684.26 and 603.93 is: 903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125.24 : 1,684.26 = 603.93 : x
  2. Step 2: Convert to fraction form
    1,125.24/1,684.26 = 603.93/x
  3. Step 3: Cross multiply
    1,125.24x = 1,684.26 × 603.93
  4. Step 4: Simplify right side
    1,125.24x = 1,017,175.14
  5. Step 5: Solve for x
    x = 1,017,175.14/1,125.24
  6. Step 6: Final answer
    x = 903.96

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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.