Home / 1,366,281.40-2,049,729.30-419,695.80

Finding the Fourth Proportional to 1,366,281.40, 2,049,729.30 and 419,695.80

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Solution

The fourth proportional to 1,366,281.40, 2,049,729.30 and 419,695.80 is: 629,638.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,281.40 : 2,049,729.30 = 419,695.80 : x
  2. Step 2: Convert to fraction form
    1,366,281.40/2,049,729.30 = 419,695.80/x
  3. Step 3: Cross multiply
    1,366,281.40x = 2,049,729.30 × 419,695.80
  4. Step 4: Simplify right side
    1,366,281.40x = 860,262,778,346.94
  5. Step 5: Solve for x
    x = 860,262,778,346.94/1,366,281.40
  6. Step 6: Final answer
    x = 629,638.07

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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.