Home / 1,638,708.80-2,261,427.89-950,790.33

Finding the Fourth Proportional to 1,638,708.80, 2,261,427.89 and 950,790.33

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Solution

The fourth proportional to 1,638,708.80, 2,261,427.89 and 950,790.33 is: 1,312,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,708.80 : 2,261,427.89 = 950,790.33 : x
  2. Step 2: Convert to fraction form
    1,638,708.80/2,261,427.89 = 950,790.33/x
  3. Step 3: Cross multiply
    1,638,708.80x = 2,261,427.89 × 950,790.33
  4. Step 4: Simplify right side
    1,638,708.80x = 2,150,143,765,050.35
  5. Step 5: Solve for x
    x = 2,150,143,765,050.35/1,638,708.80
  6. Step 6: Final answer
    x = 1,312,096.31

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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.