Home / 1,347,903.79-2,021,179.60-449,029.51

Finding the Fourth Proportional to 1,347,903.79, 2,021,179.60 and 449,029.51

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Solution

The fourth proportional to 1,347,903.79, 2,021,179.60 and 449,029.51 is: 673,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,903.79 : 2,021,179.60 = 449,029.51 : x
  2. Step 2: Convert to fraction form
    1,347,903.79/2,021,179.60 = 449,029.51/x
  3. Step 3: Cross multiply
    1,347,903.79x = 2,021,179.60 × 449,029.51
  4. Step 4: Simplify right side
    1,347,903.79x = 907,569,273,058.95
  5. Step 5: Solve for x
    x = 907,569,273,058.95/1,347,903.79
  6. Step 6: Final answer
    x = 673,319.03

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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.