Home / 1,295,106.60-1,942,659.90-872,092.20

Finding the Fourth Proportional to 1,295,106.60, 1,942,659.90 and 872,092.20

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Solution

The fourth proportional to 1,295,106.60, 1,942,659.90 and 872,092.20 is: 1,308,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,106.60 : 1,942,659.90 = 872,092.20 : x
  2. Step 2: Convert to fraction form
    1,295,106.60/1,942,659.90 = 872,092.20/x
  3. Step 3: Cross multiply
    1,295,106.60x = 1,942,659.90 × 872,092.20
  4. Step 4: Simplify right side
    1,295,106.60x = 1,694,178,546,042.78
  5. Step 5: Solve for x
    x = 1,694,178,546,042.78/1,295,106.60
  6. Step 6: Final answer
    x = 1,308,138.30

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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.