Finding the Fourth Proportional to 1,012,876.63, 1,397,713.21 and 553,900.63
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Solution
The fourth proportional to 1,012,876.63, 1,397,713.21 and 553,900.63 is: 764,351.95
Step by Step Solution
- Step 1: Write the proportion equation
1,012,876.63 : 1,397,713.21 = 553,900.63 : x - Step 2: Convert to fraction form
1,012,876.63/1,397,713.21 = 553,900.63/x - Step 3: Cross multiply
1,012,876.63x = 1,397,713.21 × 553,900.63 - Step 4: Simplify right side
1,012,876.63x = 774,194,227,578.32 - Step 5: Solve for x
x = 774,194,227,578.32/1,012,876.63 - Step 6: Final answer
x = 764,351.95
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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.