Home / 1,226.44-1,840.35-707.18

Finding the Fourth Proportional to 1,226.44, 1,840.35 and 707.18

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Solution

The fourth proportional to 1,226.44, 1,840.35 and 707.18 is: 1,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.44 : 1,840.35 = 707.18 : x
  2. Step 2: Convert to fraction form
    1,226.44/1,840.35 = 707.18/x
  3. Step 3: Cross multiply
    1,226.44x = 1,840.35 × 707.18
  4. Step 4: Simplify right side
    1,226.44x = 1,301,458.71
  5. Step 5: Solve for x
    x = 1,301,458.71/1,226.44
  6. Step 6: Final answer
    x = 1,061.17

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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.