Home / 1,622,419.11-2,239,237.89-1,042,367.35

Finding the Fourth Proportional to 1,622,419.11, 2,239,237.89 and 1,042,367.35

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Solution

The fourth proportional to 1,622,419.11, 2,239,237.89 and 1,042,367.35 is: 1,438,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,419.11 : 2,239,237.89 = 1,042,367.35 : x
  2. Step 2: Convert to fraction form
    1,622,419.11/2,239,237.89 = 1,042,367.35/x
  3. Step 3: Cross multiply
    1,622,419.11x = 2,239,237.89 × 1,042,367.35
  4. Step 4: Simplify right side
    1,622,419.11x = 2,334,108,465,418.89
  5. Step 5: Solve for x
    x = 2,334,108,465,418.89/1,622,419.11
  6. Step 6: Final answer
    x = 1,438,659.38

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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.