Finding the Fourth Proportional to 1,190,331.99, 1,642,759.46 and 674,177.71
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Solution
The fourth proportional to 1,190,331.99, 1,642,759.46 and 674,177.71 is: 930,422.62
Step by Step Solution
- Step 1: Write the proportion equation
1,190,331.99 : 1,642,759.46 = 674,177.71 : x - Step 2: Convert to fraction form
1,190,331.99/1,642,759.46 = 674,177.71/x - Step 3: Cross multiply
1,190,331.99x = 1,642,759.46 × 674,177.71 - Step 4: Simplify right side
1,190,331.99x = 1,107,511,810,823.64 - Step 5: Solve for x
x = 1,107,511,810,823.64/1,190,331.99 - Step 6: Final answer
x = 930,422.62
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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.