Home / 1,805,300.46-2,491,213.32-989,348.58

Finding the Fourth Proportional to 1,805,300.46, 2,491,213.32 and 989,348.58

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Solution

The fourth proportional to 1,805,300.46, 2,491,213.32 and 989,348.58 is: 1,365,245.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,300.46 : 2,491,213.32 = 989,348.58 : x
  2. Step 2: Convert to fraction form
    1,805,300.46/2,491,213.32 = 989,348.58/x
  3. Step 3: Cross multiply
    1,805,300.46x = 2,491,213.32 × 989,348.58
  4. Step 4: Simplify right side
    1,805,300.46x = 2,464,678,360,619.09
  5. Step 5: Solve for x
    x = 2,464,678,360,619.09/1,805,300.46
  6. Step 6: Final answer
    x = 1,365,245.52

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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.