Finding the Fourth Proportional to 1,120,391.06, 1,546,270.36 and 637,028.62
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Solution
The fourth proportional to 1,120,391.06, 1,546,270.36 and 637,028.62 is: 879,173.81
Step by Step Solution
- Step 1: Write the proportion equation
1,120,391.06 : 1,546,270.36 = 637,028.62 : x - Step 2: Convert to fraction form
1,120,391.06/1,546,270.36 = 637,028.62/x - Step 3: Cross multiply
1,120,391.06x = 1,546,270.36 × 637,028.62 - Step 4: Simplify right side
1,120,391.06x = 985,018,468,119.46 - Step 5: Solve for x
x = 985,018,468,119.46/1,120,391.06 - Step 6: Final answer
x = 879,173.81
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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.