Home / 1,408,945.59-2,113,506.27-398,144.97

Finding the Fourth Proportional to 1,408,945.59, 2,113,506.27 and 398,144.97

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Solution

The fourth proportional to 1,408,945.59, 2,113,506.27 and 398,144.97 is: 597,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,945.59 : 2,113,506.27 = 398,144.97 : x
  2. Step 2: Convert to fraction form
    1,408,945.59/2,113,506.27 = 398,144.97/x
  3. Step 3: Cross multiply
    1,408,945.59x = 2,113,506.27 × 398,144.97
  4. Step 4: Simplify right side
    1,408,945.59x = 841,481,890,463.96
  5. Step 5: Solve for x
    x = 841,481,890,463.96/1,408,945.59
  6. Step 6: Final answer
    x = 597,242.29

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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.