Home / 1,080,623.88-1,620,426.72-631,474.56

Finding the Fourth Proportional to 1,080,623.88, 1,620,426.72 and 631,474.56

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Solution

The fourth proportional to 1,080,623.88, 1,620,426.72 and 631,474.56 is: 946,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,623.88 : 1,620,426.72 = 631,474.56 : x
  2. Step 2: Convert to fraction form
    1,080,623.88/1,620,426.72 = 631,474.56/x
  3. Step 3: Cross multiply
    1,080,623.88x = 1,620,426.72 × 631,474.56
  4. Step 4: Simplify right side
    1,080,623.88x = 1,023,258,250,024.24
  5. Step 5: Solve for x
    x = 1,023,258,250,024.24/1,080,623.88
  6. Step 6: Final answer
    x = 946,914.34

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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.