Finding the Fourth Proportional to 1,190,477.62, 1,642,774.17 and 674,083.18
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Solution
The fourth proportional to 1,190,477.62, 1,642,774.17 and 674,083.18 is: 930,186.69
Step by Step Solution
- Step 1: Write the proportion equation
1,190,477.62 : 1,642,774.17 = 674,083.18 : x - Step 2: Convert to fraction form
1,190,477.62/1,642,774.17 = 674,083.18/x - Step 3: Cross multiply
1,190,477.62x = 1,642,774.17 × 674,083.18 - Step 4: Simplify right side
1,190,477.62x = 1,107,366,436,535.46 - Step 5: Solve for x
x = 1,107,366,436,535.46/1,190,477.62 - Step 6: Final answer
x = 930,186.69
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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.