Home / 1,060.17-1,590.37-540.20

Finding the Fourth Proportional to 1,060.17, 1,590.37 and 540.20

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Solution

The fourth proportional to 1,060.17, 1,590.37 and 540.20 is: 810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.17 : 1,590.37 = 540.20 : x
  2. Step 2: Convert to fraction form
    1,060.17/1,590.37 = 540.20/x
  3. Step 3: Cross multiply
    1,060.17x = 1,590.37 × 540.20
  4. Step 4: Simplify right side
    1,060.17x = 859,120.50
  5. Step 5: Solve for x
    x = 859,120.50/1,060.17
  6. Step 6: Final answer
    x = 810.36

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1.5x scale

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.