Home / 1,260,608.88-1,890,929.77-419,160.63

Finding the Fourth Proportional to 1,260,608.88, 1,890,929.77 and 419,160.63

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Solution

The fourth proportional to 1,260,608.88, 1,890,929.77 and 419,160.63 is: 628,746.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,608.88 : 1,890,929.77 = 419,160.63 : x
  2. Step 2: Convert to fraction form
    1,260,608.88/1,890,929.77 = 419,160.63/x
  3. Step 3: Cross multiply
    1,260,608.88x = 1,890,929.77 × 419,160.63
  4. Step 4: Simplify right side
    1,260,608.88x = 792,603,304,224.31
  5. Step 5: Solve for x
    x = 792,603,304,224.31/1,260,608.88
  6. Step 6: Final answer
    x = 628,746.41

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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.