Home / 1,213,900.87-1,675,183.30-670,036.80

Finding the Fourth Proportional to 1,213,900.87, 1,675,183.30 and 670,036.80

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Solution

The fourth proportional to 1,213,900.87, 1,675,183.30 and 670,036.80 is: 924,650.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,900.87 : 1,675,183.30 = 670,036.80 : x
  2. Step 2: Convert to fraction form
    1,213,900.87/1,675,183.30 = 670,036.80/x
  3. Step 3: Cross multiply
    1,213,900.87x = 1,675,183.30 × 670,036.80
  4. Step 4: Simplify right side
    1,213,900.87x = 1,122,434,449,631.40
  5. Step 5: Solve for x
    x = 1,122,434,449,631.40/1,213,900.87
  6. Step 6: Final answer
    x = 924,650.83

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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.