Home / 1,392,260.46-2,088,652.05-445,376.94

Finding the Fourth Proportional to 1,392,260.46, 2,088,652.05 and 445,376.94

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Solution

The fourth proportional to 1,392,260.46, 2,088,652.05 and 445,376.94 is: 668,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,260.46 : 2,088,652.05 = 445,376.94 : x
  2. Step 2: Convert to fraction form
    1,392,260.46/2,088,652.05 = 445,376.94/x
  3. Step 3: Cross multiply
    1,392,260.46x = 2,088,652.05 × 445,376.94
  4. Step 4: Simplify right side
    1,392,260.46x = 930,237,458,753.73
  5. Step 5: Solve for x
    x = 930,237,458,753.73/1,392,260.46
  6. Step 6: Final answer
    x = 668,149.02

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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.