Home / 1,325,654.40-1,987,392.96-526,592.64

Finding the Fourth Proportional to 1,325,654.40, 1,987,392.96 and 526,592.64

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Solution

The fourth proportional to 1,325,654.40, 1,987,392.96 and 526,592.64 is: 789,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,654.40 : 1,987,392.96 = 526,592.64 : x
  2. Step 2: Convert to fraction form
    1,325,654.40/1,987,392.96 = 526,592.64/x
  3. Step 3: Cross multiply
    1,325,654.40x = 1,987,392.96 × 526,592.64
  4. Step 4: Simplify right side
    1,325,654.40x = 1,046,546,505,523.81
  5. Step 5: Solve for x
    x = 1,046,546,505,523.81/1,325,654.40
  6. Step 6: Final answer
    x = 789,456.52

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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.