Home / 1,392,023.10-2,088,034.65-1,326,704.70

Finding the Fourth Proportional to 1,392,023.10, 2,088,034.65 and 1,326,704.70

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Solution

The fourth proportional to 1,392,023.10, 2,088,034.65 and 1,326,704.70 is: 1,990,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,023.10 : 2,088,034.65 = 1,326,704.70 : x
  2. Step 2: Convert to fraction form
    1,392,023.10/2,088,034.65 = 1,326,704.70/x
  3. Step 3: Cross multiply
    1,392,023.10x = 2,088,034.65 × 1,326,704.70
  4. Step 4: Simplify right side
    1,392,023.10x = 2,770,205,383,917.86
  5. Step 5: Solve for x
    x = 2,770,205,383,917.86/1,392,023.10
  6. Step 6: Final answer
    x = 1,990,057.05

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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.