Home / 1,379,259.90-2,068,967.61-419,746.73

Finding the Fourth Proportional to 1,379,259.90, 2,068,967.61 and 419,746.73

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Solution

The fourth proportional to 1,379,259.90, 2,068,967.61 and 419,746.73 is: 629,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,259.90 : 2,068,967.61 = 419,746.73 : x
  2. Step 2: Convert to fraction form
    1,379,259.90/2,068,967.61 = 419,746.73/x
  3. Step 3: Cross multiply
    1,379,259.90x = 2,068,967.61 × 419,746.73
  4. Step 4: Simplify right side
    1,379,259.90x = 868,442,378,428.58
  5. Step 5: Solve for x
    x = 868,442,378,428.58/1,379,259.90
  6. Step 6: Final answer
    x = 629,643.75

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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.