Home / 1,054.56-1,579.48-609.28

Finding the Fourth Proportional to 1,054.56, 1,579.48 and 609.28

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Solution

The fourth proportional to 1,054.56, 1,579.48 and 609.28 is: 912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054.56 : 1,579.48 = 609.28 : x
  2. Step 2: Convert to fraction form
    1,054.56/1,579.48 = 609.28/x
  3. Step 3: Cross multiply
    1,054.56x = 1,579.48 × 609.28
  4. Step 4: Simplify right side
    1,054.56x = 962,345.57
  5. Step 5: Solve for x
    x = 962,345.57/1,054.56
  6. Step 6: Final answer
    x = 912.56

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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.