Home / 1,347,674.85-2,021,020.20-449,145.90

Finding the Fourth Proportional to 1,347,674.85, 2,021,020.20 and 449,145.90

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Solution

The fourth proportional to 1,347,674.85, 2,021,020.20 and 449,145.90 is: 673,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,674.85 : 2,021,020.20 = 449,145.90 : x
  2. Step 2: Convert to fraction form
    1,347,674.85/2,021,020.20 = 449,145.90/x
  3. Step 3: Cross multiply
    1,347,674.85x = 2,021,020.20 × 449,145.90
  4. Step 4: Simplify right side
    1,347,674.85x = 907,732,936,647.18
  5. Step 5: Solve for x
    x = 907,732,936,647.18/1,347,674.85
  6. Step 6: Final answer
    x = 673,554.85

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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.