Home / 1,219,015.82-1,682,254.19-735,487.49

Finding the Fourth Proportional to 1,219,015.82, 1,682,254.19 and 735,487.49

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Solution

The fourth proportional to 1,219,015.82, 1,682,254.19 and 735,487.49 is: 1,014,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,015.82 : 1,682,254.19 = 735,487.49 : x
  2. Step 2: Convert to fraction form
    1,219,015.82/1,682,254.19 = 735,487.49/x
  3. Step 3: Cross multiply
    1,219,015.82x = 1,682,254.19 × 735,487.49
  4. Step 4: Simplify right side
    1,219,015.82x = 1,237,276,911,745.08
  5. Step 5: Solve for x
    x = 1,237,276,911,745.08/1,219,015.82
  6. Step 6: Final answer
    x = 1,014,980.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.