Home / 1,367,101.70-2,050,806.15-420,464.90

Finding the Fourth Proportional to 1,367,101.70, 2,050,806.15 and 420,464.90

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Solution

The fourth proportional to 1,367,101.70, 2,050,806.15 and 420,464.90 is: 630,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,101.70 : 2,050,806.15 = 420,464.90 : x
  2. Step 2: Convert to fraction form
    1,367,101.70/2,050,806.15 = 420,464.90/x
  3. Step 3: Cross multiply
    1,367,101.70x = 2,050,806.15 × 420,464.90
  4. Step 4: Simplify right side
    1,367,101.70x = 862,292,002,779.14
  5. Step 5: Solve for x
    x = 862,292,002,779.14/1,367,101.70
  6. Step 6: Final answer
    x = 630,744.59

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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.