Home / 1,395,694.40-2,093,695.20-509,422.40

Finding the Fourth Proportional to 1,395,694.40, 2,093,695.20 and 509,422.40

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Solution

The fourth proportional to 1,395,694.40, 2,093,695.20 and 509,422.40 is: 764,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,694.40 : 2,093,695.20 = 509,422.40 : x
  2. Step 2: Convert to fraction form
    1,395,694.40/2,093,695.20 = 509,422.40/x
  3. Step 3: Cross multiply
    1,395,694.40x = 2,093,695.20 × 509,422.40
  4. Step 4: Simplify right side
    1,395,694.40x = 1,066,575,233,652.48
  5. Step 5: Solve for x
    x = 1,066,575,233,652.48/1,395,694.40
  6. Step 6: Final answer
    x = 764,189.66

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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.