Home / 1,271,540.52-1,907,312.40-324,912.15

Finding the Fourth Proportional to 1,271,540.52, 1,907,312.40 and 324,912.15

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Solution

The fourth proportional to 1,271,540.52, 1,907,312.40 and 324,912.15 is: 487,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,540.52 : 1,907,312.40 = 324,912.15 : x
  2. Step 2: Convert to fraction form
    1,271,540.52/1,907,312.40 = 324,912.15/x
  3. Step 3: Cross multiply
    1,271,540.52x = 1,907,312.40 × 324,912.15
  4. Step 4: Simplify right side
    1,271,540.52x = 619,708,972,605.66
  5. Step 5: Solve for x
    x = 619,708,972,605.66/1,271,540.52
  6. Step 6: Final answer
    x = 487,368.64

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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.