Home / 1,367,200.26-2,050,620.57-420,491.70

Finding the Fourth Proportional to 1,367,200.26, 2,050,620.57 and 420,491.70

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Solution

The fourth proportional to 1,367,200.26, 2,050,620.57 and 420,491.70 is: 630,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,200.26 : 2,050,620.57 = 420,491.70 : x
  2. Step 2: Convert to fraction form
    1,367,200.26/2,050,620.57 = 420,491.70/x
  3. Step 3: Cross multiply
    1,367,200.26x = 2,050,620.57 × 420,491.70
  4. Step 4: Simplify right side
    1,367,200.26x = 862,268,929,534.27
  5. Step 5: Solve for x
    x = 862,268,929,534.27/1,367,200.26
  6. Step 6: Final answer
    x = 630,682.25

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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.