Home / 1,090,555.20-1,504,951.92-631,732.32

Finding the Fourth Proportional to 1,090,555.20, 1,504,951.92 and 631,732.32

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Solution

The fourth proportional to 1,090,555.20, 1,504,951.92 and 631,732.32 is: 871,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,555.20 : 1,504,951.92 = 631,732.32 : x
  2. Step 2: Convert to fraction form
    1,090,555.20/1,504,951.92 = 631,732.32/x
  3. Step 3: Cross multiply
    1,090,555.20x = 1,504,951.92 × 631,732.32
  4. Step 4: Simplify right side
    1,090,555.20x = 950,726,767,910.05
  5. Step 5: Solve for x
    x = 950,726,767,910.05/1,090,555.20
  6. Step 6: Final answer
    x = 871,782.34

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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.