Home / 1,260,606.90-1,890,926.80-419,158.64

Finding the Fourth Proportional to 1,260,606.90, 1,890,926.80 and 419,158.64

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Solution

The fourth proportional to 1,260,606.90, 1,890,926.80 and 419,158.64 is: 628,743.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,606.90 : 1,890,926.80 = 419,158.64 : x
  2. Step 2: Convert to fraction form
    1,260,606.90/1,890,926.80 = 419,158.64/x
  3. Step 3: Cross multiply
    1,260,606.90x = 1,890,926.80 × 419,158.64
  4. Step 4: Simplify right side
    1,260,606.90x = 792,598,305,827.55
  5. Step 5: Solve for x
    x = 792,598,305,827.55/1,260,606.90
  6. Step 6: Final answer
    x = 628,743.43

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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.