Finding the Fourth Proportional to 1,198,138.12, 1,796,681.58 and 449,659.24
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Solution
The fourth proportional to 1,198,138.12, 1,796,681.58 and 449,659.24 is: 674,291.60
Step by Step Solution
- Step 1: Write the proportion equation
1,198,138.12 : 1,796,681.58 = 449,659.24 : x - Step 2: Convert to fraction form
1,198,138.12/1,796,681.58 = 449,659.24/x - Step 3: Cross multiply
1,198,138.12x = 1,796,681.58 × 449,659.24 - Step 4: Simplify right side
1,198,138.12x = 807,894,473,784.80 - Step 5: Solve for x
x = 807,894,473,784.80/1,198,138.12 - Step 6: Final answer
x = 674,291.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.