Home / 1,225.56-1,839.96-706.08

Finding the Fourth Proportional to 1,225.56, 1,839.96 and 706.08

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Solution

The fourth proportional to 1,225.56, 1,839.96 and 706.08 is: 1,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.56 : 1,839.96 = 706.08 : x
  2. Step 2: Convert to fraction form
    1,225.56/1,839.96 = 706.08/x
  3. Step 3: Cross multiply
    1,225.56x = 1,839.96 × 706.08
  4. Step 4: Simplify right side
    1,225.56x = 1,299,158.96
  5. Step 5: Solve for x
    x = 1,299,158.96/1,225.56
  6. Step 6: Final answer
    x = 1,060.05

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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.