Home / 1,299,396.24-1,948,945.46-339,944.44

Finding the Fourth Proportional to 1,299,396.24, 1,948,945.46 and 339,944.44

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Solution

The fourth proportional to 1,299,396.24, 1,948,945.46 and 339,944.44 is: 509,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,396.24 : 1,948,945.46 = 339,944.44 : x
  2. Step 2: Convert to fraction form
    1,299,396.24/1,948,945.46 = 339,944.44/x
  3. Step 3: Cross multiply
    1,299,396.24x = 1,948,945.46 × 339,944.44
  4. Step 4: Simplify right side
    1,299,396.24x = 662,533,168,330.34
  5. Step 5: Solve for x
    x = 662,533,168,330.34/1,299,396.24
  6. Step 6: Final answer
    x = 509,877.70

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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.