Home / 1,080.08-1,619.12-524.67

Finding the Fourth Proportional to 1,080.08, 1,619.12 and 524.67

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Solution

The fourth proportional to 1,080.08, 1,619.12 and 524.67 is: 786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080.08 : 1,619.12 = 524.67 : x
  2. Step 2: Convert to fraction form
    1,080.08/1,619.12 = 524.67/x
  3. Step 3: Cross multiply
    1,080.08x = 1,619.12 × 524.67
  4. Step 4: Simplify right side
    1,080.08x = 849,495.59
  5. Step 5: Solve for x
    x = 849,495.59/1,080.08
  6. Step 6: Final answer
    x = 786.52

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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.