Home / 1,393,321.23-2,088,233.46-753,599.43

Finding the Fourth Proportional to 1,393,321.23, 2,088,233.46 and 753,599.43

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Solution

The fourth proportional to 1,393,321.23, 2,088,233.46 and 753,599.43 is: 1,129,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,321.23 : 2,088,233.46 = 753,599.43 : x
  2. Step 2: Convert to fraction form
    1,393,321.23/2,088,233.46 = 753,599.43/x
  3. Step 3: Cross multiply
    1,393,321.23x = 2,088,233.46 × 753,599.43
  4. Step 4: Simplify right side
    1,393,321.23x = 1,573,691,545,162.93
  5. Step 5: Solve for x
    x = 1,573,691,545,162.93/1,393,321.23
  6. Step 6: Final answer
    x = 1,129,453.50

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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.