Finding the Fourth Proportional to 1,201,591.46, 1,658,198.71 and 657,761.99
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Solution
The fourth proportional to 1,201,591.46, 1,658,198.71 and 657,761.99 is: 907,712.90
Step by Step Solution
- Step 1: Write the proportion equation
1,201,591.46 : 1,658,198.71 = 657,761.99 : x - Step 2: Convert to fraction form
1,201,591.46/1,658,198.71 = 657,761.99/x - Step 3: Cross multiply
1,201,591.46x = 1,658,198.71 × 657,761.99 - Step 4: Simplify right side
1,201,591.46x = 1,090,700,072,136.33 - Step 5: Solve for x
x = 1,090,700,072,136.33/1,201,591.46 - Step 6: Final answer
x = 907,712.90
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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.