Home / 1,296,391.20-1,944,586.80-848,493.60

Finding the Fourth Proportional to 1,296,391.20, 1,944,586.80 and 848,493.60

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Solution

The fourth proportional to 1,296,391.20, 1,944,586.80 and 848,493.60 is: 1,272,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,391.20 : 1,944,586.80 = 848,493.60 : x
  2. Step 2: Convert to fraction form
    1,296,391.20/1,944,586.80 = 848,493.60/x
  3. Step 3: Cross multiply
    1,296,391.20x = 1,944,586.80 × 848,493.60
  4. Step 4: Simplify right side
    1,296,391.20x = 1,649,969,454,444.48
  5. Step 5: Solve for x
    x = 1,649,969,454,444.48/1,296,391.20
  6. Step 6: Final answer
    x = 1,272,740.40

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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.