Home / 1,348,143.16-2,021,537.31-449,269.96

Finding the Fourth Proportional to 1,348,143.16, 2,021,537.31 and 449,269.96

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Solution

The fourth proportional to 1,348,143.16, 2,021,537.31 and 449,269.96 is: 673,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,143.16 : 2,021,537.31 = 449,269.96 : x
  2. Step 2: Convert to fraction form
    1,348,143.16/2,021,537.31 = 449,269.96/x
  3. Step 3: Cross multiply
    1,348,143.16x = 2,021,537.31 × 449,269.96
  4. Step 4: Simplify right side
    1,348,143.16x = 908,215,986,402.21
  5. Step 5: Solve for x
    x = 908,215,986,402.21/1,348,143.16
  6. Step 6: Final answer
    x = 673,679.19

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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.