Home / 1,176.08-1,622.16-756.44

Finding the Fourth Proportional to 1,176.08, 1,622.16 and 756.44

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Solution

The fourth proportional to 1,176.08, 1,622.16 and 756.44 is: 1,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.08 : 1,622.16 = 756.44 : x
  2. Step 2: Convert to fraction form
    1,176.08/1,622.16 = 756.44/x
  3. Step 3: Cross multiply
    1,176.08x = 1,622.16 × 756.44
  4. Step 4: Simplify right side
    1,176.08x = 1,227,066.71
  5. Step 5: Solve for x
    x = 1,227,066.71/1,176.08
  6. Step 6: Final answer
    x = 1,043.35

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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.