Home / 1,019,351.39-1,525,699.19-749,408.29

Finding the Fourth Proportional to 1,019,351.39, 1,525,699.19 and 749,408.29

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Solution

The fourth proportional to 1,019,351.39, 1,525,699.19 and 749,408.29 is: 1,121,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,351.39 : 1,525,699.19 = 749,408.29 : x
  2. Step 2: Convert to fraction form
    1,019,351.39/1,525,699.19 = 749,408.29/x
  3. Step 3: Cross multiply
    1,019,351.39x = 1,525,699.19 × 749,408.29
  4. Step 4: Simplify right side
    1,019,351.39x = 1,143,371,619,091.56
  5. Step 5: Solve for x
    x = 1,143,371,619,091.56/1,019,351.39
  6. Step 6: Final answer
    x = 1,121,665.83

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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.