Home / 1,078,975-1,618,540.26-414,127

Finding the Fourth Proportional to 1,078,975, 1,618,540.26 and 414,127

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Solution

The fourth proportional to 1,078,975, 1,618,540.26 and 414,127 is: 621,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,975 : 1,618,540.26 = 414,127 : x
  2. Step 2: Convert to fraction form
    1,078,975/1,618,540.26 = 414,127/x
  3. Step 3: Cross multiply
    1,078,975x = 1,618,540.26 × 414,127
  4. Step 4: Simplify right side
    1,078,975x = 670,281,222,253.02
  5. Step 5: Solve for x
    x = 670,281,222,253.02/1,078,975
  6. Step 6: Final answer
    x = 621,220.35

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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.