Home / 1,691,530-2,537,024.80-493,172.08

Finding the Fourth Proportional to 1,691,530, 2,537,024.80 and 493,172.08

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Solution

The fourth proportional to 1,691,530, 2,537,024.80 and 493,172.08 is: 739,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,530 : 2,537,024.80 = 493,172.08 : x
  2. Step 2: Convert to fraction form
    1,691,530/2,537,024.80 = 493,172.08/x
  3. Step 3: Cross multiply
    1,691,530x = 2,537,024.80 × 493,172.08
  4. Step 4: Simplify right side
    1,691,530x = 1,251,189,797,627.58
  5. Step 5: Solve for x
    x = 1,251,189,797,627.58/1,691,530
  6. Step 6: Final answer
    x = 739,679.34

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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.