Home / 1,997,687.78-2,996,559.30-649,857.42

Finding the Fourth Proportional to 1,997,687.78, 2,996,559.30 and 649,857.42

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Solution

The fourth proportional to 1,997,687.78, 2,996,559.30 and 649,857.42 is: 974,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,687.78 : 2,996,559.30 = 649,857.42 : x
  2. Step 2: Convert to fraction form
    1,997,687.78/2,996,559.30 = 649,857.42/x
  3. Step 3: Cross multiply
    1,997,687.78x = 2,996,559.30 × 649,857.42
  4. Step 4: Simplify right side
    1,997,687.78x = 1,947,336,295,575.01
  5. Step 5: Solve for x
    x = 1,947,336,295,575.01/1,997,687.78
  6. Step 6: Final answer
    x = 974,795.12

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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.