Finding the Fourth Proportional to 1,018,868.10, 1,406,052.53 and 560,025.09
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Solution
The fourth proportional to 1,018,868.10, 1,406,052.53 and 560,025.09 is: 772,842.62
Step by Step Solution
- Step 1: Write the proportion equation
1,018,868.10 : 1,406,052.53 = 560,025.09 : x - Step 2: Convert to fraction form
1,018,868.10/1,406,052.53 = 560,025.09/x - Step 3: Cross multiply
1,018,868.10x = 1,406,052.53 × 560,025.09 - Step 4: Simplify right side
1,018,868.10x = 787,424,691,857.85 - Step 5: Solve for x
x = 787,424,691,857.85/1,018,868.10 - Step 6: Final answer
x = 772,842.62
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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.