Home / 1,204.04-1,806.86-424.05

Finding the Fourth Proportional to 1,204.04, 1,806.86 and 424.05

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Solution

The fourth proportional to 1,204.04, 1,806.86 and 424.05 is: 636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.04 : 1,806.86 = 424.05 : x
  2. Step 2: Convert to fraction form
    1,204.04/1,806.86 = 424.05/x
  3. Step 3: Cross multiply
    1,204.04x = 1,806.86 × 424.05
  4. Step 4: Simplify right side
    1,204.04x = 766,196.86
  5. Step 5: Solve for x
    x = 766,196.86/1,204.04
  6. Step 6: Final answer
    x = 636.36

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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.