Finding the Fourth Proportional to 1,138,768.82, 1,571,453.10 and 655,350.70
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Solution
The fourth proportional to 1,138,768.82, 1,571,453.10 and 655,350.70 is: 904,356.42
Step by Step Solution
- Step 1: Write the proportion equation
1,138,768.82 : 1,571,453.10 = 655,350.70 : x - Step 2: Convert to fraction form
1,138,768.82/1,571,453.10 = 655,350.70/x - Step 3: Cross multiply
1,138,768.82x = 1,571,453.10 × 655,350.70 - Step 4: Simplify right side
1,138,768.82x = 1,029,852,889,102.17 - Step 5: Solve for x
x = 1,029,852,889,102.17/1,138,768.82 - Step 6: Final answer
x = 904,356.42
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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.