Finding the Fourth Proportional to 1,210,824.44, 1,670,917.31 and 667,011.09
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Solution
The fourth proportional to 1,210,824.44, 1,670,917.31 and 667,011.09 is: 920,464.06
Step by Step Solution
- Step 1: Write the proportion equation
1,210,824.44 : 1,670,917.31 = 667,011.09 : x - Step 2: Convert to fraction form
1,210,824.44/1,670,917.31 = 667,011.09/x - Step 3: Cross multiply
1,210,824.44x = 1,670,917.31 × 667,011.09 - Step 4: Simplify right side
1,210,824.44x = 1,114,520,372,907.91 - Step 5: Solve for x
x = 1,114,520,372,907.91/1,210,824.44 - Step 6: Final answer
x = 920,464.06
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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.