Home / 1,209.04-1,804.78-1,063.24

Finding the Fourth Proportional to 1,209.04, 1,804.78 and 1,063.24

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Solution

The fourth proportional to 1,209.04, 1,804.78 and 1,063.24 is: 1,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209.04 : 1,804.78 = 1,063.24 : x
  2. Step 2: Convert to fraction form
    1,209.04/1,804.78 = 1,063.24/x
  3. Step 3: Cross multiply
    1,209.04x = 1,804.78 × 1,063.24
  4. Step 4: Simplify right side
    1,209.04x = 1,918,914.29
  5. Step 5: Solve for x
    x = 1,918,914.29/1,209.04
  6. Step 6: Final answer
    x = 1,587.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.