Home / 1,780,597.80-2,670,896.70-518,466.60

Finding the Fourth Proportional to 1,780,597.80, 2,670,896.70 and 518,466.60

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Solution

The fourth proportional to 1,780,597.80, 2,670,896.70 and 518,466.60 is: 777,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,597.80 : 2,670,896.70 = 518,466.60 : x
  2. Step 2: Convert to fraction form
    1,780,597.80/2,670,896.70 = 518,466.60/x
  3. Step 3: Cross multiply
    1,780,597.80x = 2,670,896.70 × 518,466.60
  4. Step 4: Simplify right side
    1,780,597.80x = 1,384,770,731,000.22
  5. Step 5: Solve for x
    x = 1,384,770,731,000.22/1,780,597.80
  6. Step 6: Final answer
    x = 777,699.90

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Similar ratio
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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.