Home / 1,057.49-1,459.35-609.26

Finding the Fourth Proportional to 1,057.49, 1,459.35 and 609.26

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Solution

The fourth proportional to 1,057.49, 1,459.35 and 609.26 is: 840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057.49 : 1,459.35 = 609.26 : x
  2. Step 2: Convert to fraction form
    1,057.49/1,459.35 = 609.26/x
  3. Step 3: Cross multiply
    1,057.49x = 1,459.35 × 609.26
  4. Step 4: Simplify right side
    1,057.49x = 889,123.58
  5. Step 5: Solve for x
    x = 889,123.58/1,057.49
  6. Step 6: Final answer
    x = 840.79

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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.