Home / 1,060.18-1,590.26-411.37

Finding the Fourth Proportional to 1,060.18, 1,590.26 and 411.37

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Solution

The fourth proportional to 1,060.18, 1,590.26 and 411.37 is: 617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.18 : 1,590.26 = 411.37 : x
  2. Step 2: Convert to fraction form
    1,060.18/1,590.26 = 411.37/x
  3. Step 3: Cross multiply
    1,060.18x = 1,590.26 × 411.37
  4. Step 4: Simplify right side
    1,060.18x = 654,185.26
  5. Step 5: Solve for x
    x = 654,185.26/1,060.18
  6. Step 6: Final answer
    x = 617.05

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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.