Home / 1,188,234.40-1,782,610.80-346,717.60

Finding the Fourth Proportional to 1,188,234.40, 1,782,610.80 and 346,717.60

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Solution

The fourth proportional to 1,188,234.40, 1,782,610.80 and 346,717.60 is: 520,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,234.40 : 1,782,610.80 = 346,717.60 : x
  2. Step 2: Convert to fraction form
    1,188,234.40/1,782,610.80 = 346,717.60/x
  3. Step 3: Cross multiply
    1,188,234.40x = 1,782,610.80 × 346,717.60
  4. Step 4: Simplify right side
    1,188,234.40x = 618,062,538,310.08
  5. Step 5: Solve for x
    x = 618,062,538,310.08/1,188,234.40
  6. Step 6: Final answer
    x = 520,152.03

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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.