Home / 1,399,689.22-2,099,867.04-453,059.86

Finding the Fourth Proportional to 1,399,689.22, 2,099,867.04 and 453,059.86

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Solution

The fourth proportional to 1,399,689.22, 2,099,867.04 and 453,059.86 is: 679,697.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,689.22 : 2,099,867.04 = 453,059.86 : x
  2. Step 2: Convert to fraction form
    1,399,689.22/2,099,867.04 = 453,059.86/x
  3. Step 3: Cross multiply
    1,399,689.22x = 2,099,867.04 × 453,059.86
  4. Step 4: Simplify right side
    1,399,689.22x = 951,365,467,161.01
  5. Step 5: Solve for x
    x = 951,365,467,161.01/1,399,689.22
  6. Step 6: Final answer
    x = 679,697.65

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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.