Home / 1,176.16-1,764.32-526.96

Finding the Fourth Proportional to 1,176.16, 1,764.32 and 526.96

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Solution

The fourth proportional to 1,176.16, 1,764.32 and 526.96 is: 790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.16 : 1,764.32 = 526.96 : x
  2. Step 2: Convert to fraction form
    1,176.16/1,764.32 = 526.96/x
  3. Step 3: Cross multiply
    1,176.16x = 1,764.32 × 526.96
  4. Step 4: Simplify right side
    1,176.16x = 929,726.07
  5. Step 5: Solve for x
    x = 929,726.07/1,176.16
  6. Step 6: Final answer
    x = 790.48

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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.