Home / 1,392,391.20-2,088,732.60-593,757.12

Finding the Fourth Proportional to 1,392,391.20, 2,088,732.60 and 593,757.12

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Solution

The fourth proportional to 1,392,391.20, 2,088,732.60 and 593,757.12 is: 890,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,391.20 : 2,088,732.60 = 593,757.12 : x
  2. Step 2: Convert to fraction form
    1,392,391.20/2,088,732.60 = 593,757.12/x
  3. Step 3: Cross multiply
    1,392,391.20x = 2,088,732.60 × 593,757.12
  4. Step 4: Simplify right side
    1,392,391.20x = 1,240,199,853,026.11
  5. Step 5: Solve for x
    x = 1,240,199,853,026.11/1,392,391.20
  6. Step 6: Final answer
    x = 890,697.85

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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.