Home / 1,054,546.20-1,455,300.44-646,872.84

Finding the Fourth Proportional to 1,054,546.20, 1,455,300.44 and 646,872.84

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Solution

The fourth proportional to 1,054,546.20, 1,455,300.44 and 646,872.84 is: 892,700.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,546.20 : 1,455,300.44 = 646,872.84 : x
  2. Step 2: Convert to fraction form
    1,054,546.20/1,455,300.44 = 646,872.84/x
  3. Step 3: Cross multiply
    1,054,546.20x = 1,455,300.44 × 646,872.84
  4. Step 4: Simplify right side
    1,054,546.20x = 941,394,328,676.05
  5. Step 5: Solve for x
    x = 941,394,328,676.05/1,054,546.20
  6. Step 6: Final answer
    x = 892,700.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.