Finding the Fourth Proportional to 1,006,715.26, 1,389,267.29 and 554,006.26
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Solution
The fourth proportional to 1,006,715.26, 1,389,267.29 and 554,006.26 is: 764,528.77
Step by Step Solution
- Step 1: Write the proportion equation
1,006,715.26 : 1,389,267.29 = 554,006.26 : x - Step 2: Convert to fraction form
1,006,715.26/1,389,267.29 = 554,006.26/x - Step 3: Cross multiply
1,006,715.26x = 1,389,267.29 × 554,006.26 - Step 4: Simplify right side
1,006,715.26x = 769,662,775,473.24 - Step 5: Solve for x
x = 769,662,775,473.24/1,006,715.26 - Step 6: Final answer
x = 764,528.77
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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.