Home / 1,003,396.29-1,505,324.31-434,872.89

Finding the Fourth Proportional to 1,003,396.29, 1,505,324.31 and 434,872.89

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Solution

The fourth proportional to 1,003,396.29, 1,505,324.31 and 434,872.89 is: 652,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,396.29 : 1,505,324.31 = 434,872.89 : x
  2. Step 2: Convert to fraction form
    1,003,396.29/1,505,324.31 = 434,872.89/x
  3. Step 3: Cross multiply
    1,003,396.29x = 1,505,324.31 × 434,872.89
  4. Step 4: Simplify right side
    1,003,396.29x = 654,624,733,076.96
  5. Step 5: Solve for x
    x = 654,624,733,076.96/1,003,396.29
  6. Step 6: Final answer
    x = 652,408.96

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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.