Home / 1,409,241.06-2,112,826.34-449,144.15

Finding the Fourth Proportional to 1,409,241.06, 2,112,826.34 and 449,144.15

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Solution

The fourth proportional to 1,409,241.06, 2,112,826.34 and 449,144.15 is: 673,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,241.06 : 2,112,826.34 = 449,144.15 : x
  2. Step 2: Convert to fraction form
    1,409,241.06/2,112,826.34 = 449,144.15/x
  3. Step 3: Cross multiply
    1,409,241.06x = 2,112,826.34 × 449,144.15
  4. Step 4: Simplify right side
    1,409,241.06x = 948,963,581,135.64
  5. Step 5: Solve for x
    x = 948,963,581,135.64/1,409,241.06
  6. Step 6: Final answer
    x = 673,386.27

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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.