Finding the Fourth Proportional to 926,673.14, 1,278,149.56 and 850,438.47
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Solution
The fourth proportional to 926,673.14, 1,278,149.56 and 850,438.47 is: 1,172,999.96
Step by Step Solution
- Step 1: Write the proportion equation
926,673.14 : 1,278,149.56 = 850,438.47 : x - Step 2: Convert to fraction form
926,673.14/1,278,149.56 = 850,438.47/x - Step 3: Cross multiply
926,673.14x = 1,278,149.56 × 850,438.47 - Step 4: Simplify right side
926,673.14x = 1,086,987,558,904.54 - Step 5: Solve for x
x = 1,086,987,558,904.54/926,673.14 - Step 6: Final answer
x = 1,172,999.96
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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.