Finding the Fourth Proportional to 1,190,690.53, 1,643,178.50 and 674,446.75
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Solution
The fourth proportional to 1,190,690.53, 1,643,178.50 and 674,446.75 is: 930,751.00
Step by Step Solution
- Step 1: Write the proportion equation
1,190,690.53 : 1,643,178.50 = 674,446.75 : x - Step 2: Convert to fraction form
1,190,690.53/1,643,178.50 = 674,446.75/x - Step 3: Cross multiply
1,190,690.53x = 1,643,178.50 × 674,446.75 - Step 4: Simplify right side
1,190,690.53x = 1,108,236,398,994.88 - Step 5: Solve for x
x = 1,108,236,398,994.88/1,190,690.53 - Step 6: Final answer
x = 930,751.00
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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.