Home / 1,045.18-1,442.23-603.23

Finding the Fourth Proportional to 1,045.18, 1,442.23 and 603.23

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Solution

The fourth proportional to 1,045.18, 1,442.23 and 603.23 is: 832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.18 : 1,442.23 = 603.23 : x
  2. Step 2: Convert to fraction form
    1,045.18/1,442.23 = 603.23/x
  3. Step 3: Cross multiply
    1,045.18x = 1,442.23 × 603.23
  4. Step 4: Simplify right side
    1,045.18x = 869,987.68
  5. Step 5: Solve for x
    x = 869,987.68/1,045.18
  6. Step 6: Final answer
    x = 832.38

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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.