Home / 1,367,552.06-2,051,354.52-420,921.88

Finding the Fourth Proportional to 1,367,552.06, 2,051,354.52 and 420,921.88

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Solution

The fourth proportional to 1,367,552.06, 2,051,354.52 and 420,921.88 is: 631,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,552.06 : 2,051,354.52 = 420,921.88 : x
  2. Step 2: Convert to fraction form
    1,367,552.06/2,051,354.52 = 420,921.88/x
  3. Step 3: Cross multiply
    1,367,552.06x = 2,051,354.52 × 420,921.88
  4. Step 4: Simplify right side
    1,367,552.06x = 863,460,001,104.90
  5. Step 5: Solve for x
    x = 863,460,001,104.90/1,367,552.06
  6. Step 6: Final answer
    x = 631,390.95

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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.