Home / 1,663,260.22-2,295,161.12-938,286.10

Finding the Fourth Proportional to 1,663,260.22, 2,295,161.12 and 938,286.10

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Solution

The fourth proportional to 1,663,260.22, 2,295,161.12 and 938,286.10 is: 1,294,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,260.22 : 2,295,161.12 = 938,286.10 : x
  2. Step 2: Convert to fraction form
    1,663,260.22/2,295,161.12 = 938,286.10/x
  3. Step 3: Cross multiply
    1,663,260.22x = 2,295,161.12 × 938,286.10
  4. Step 4: Simplify right side
    1,663,260.22x = 2,153,517,759,989.20
  5. Step 5: Solve for x
    x = 2,153,517,759,989.20/1,663,260.22
  6. Step 6: Final answer
    x = 1,294,756.97

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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.