Home / 1,200,498.96-1,800,083.72-491,025.28

Finding the Fourth Proportional to 1,200,498.96, 1,800,083.72 and 491,025.28

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Solution

The fourth proportional to 1,200,498.96, 1,800,083.72 and 491,025.28 is: 736,266.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,498.96 : 1,800,083.72 = 491,025.28 : x
  2. Step 2: Convert to fraction form
    1,200,498.96/1,800,083.72 = 491,025.28/x
  3. Step 3: Cross multiply
    1,200,498.96x = 1,800,083.72 × 491,025.28
  4. Step 4: Simplify right side
    1,200,498.96x = 883,886,612,636.44
  5. Step 5: Solve for x
    x = 883,886,612,636.44/1,200,498.96
  6. Step 6: Final answer
    x = 736,266.04

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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.