Finding the Fourth Proportional to 1,183,491.92, 1,631,567.40 and 820,292.24
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Solution
The fourth proportional to 1,183,491.92, 1,631,567.40 and 820,292.24 is: 1,130,858.65
Step by Step Solution
- Step 1: Write the proportion equation
1,183,491.92 : 1,631,567.40 = 820,292.24 : x - Step 2: Convert to fraction form
1,183,491.92/1,631,567.40 = 820,292.24/x - Step 3: Cross multiply
1,183,491.92x = 1,631,567.40 × 820,292.24 - Step 4: Simplify right side
1,183,491.92x = 1,338,362,077,256.98 - Step 5: Solve for x
x = 1,338,362,077,256.98/1,183,491.92 - Step 6: Final answer
x = 1,130,858.65
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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.