Home / 1,088,138.80-1,632,208.20-662,359.60

Finding the Fourth Proportional to 1,088,138.80, 1,632,208.20 and 662,359.60

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Solution

The fourth proportional to 1,088,138.80, 1,632,208.20 and 662,359.60 is: 993,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,138.80 : 1,632,208.20 = 662,359.60 : x
  2. Step 2: Convert to fraction form
    1,088,138.80/1,632,208.20 = 662,359.60/x
  3. Step 3: Cross multiply
    1,088,138.80x = 1,632,208.20 × 662,359.60
  4. Step 4: Simplify right side
    1,088,138.80x = 1,081,108,770,468.72
  5. Step 5: Solve for x
    x = 1,081,108,770,468.72/1,088,138.80
  6. Step 6: Final answer
    x = 993,539.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.