Finding the Fourth Proportional to 1,147,366.26, 1,583,374.77 and 638,057.70
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Solution
The fourth proportional to 1,147,366.26, 1,583,374.77 and 638,057.70 is: 880,524.82
Step by Step Solution
- Step 1: Write the proportion equation
1,147,366.26 : 1,583,374.77 = 638,057.70 : x - Step 2: Convert to fraction form
1,147,366.26/1,583,374.77 = 638,057.70/x - Step 3: Cross multiply
1,147,366.26x = 1,583,374.77 × 638,057.70 - Step 4: Simplify right side
1,147,366.26x = 1,010,284,463,984.23 - Step 5: Solve for x
x = 1,010,284,463,984.23/1,147,366.26 - Step 6: Final answer
x = 880,524.82
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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.