Finding the Fourth Proportional to 1,090,419.62, 1,504,920.09 and 625,454.92
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Solution
The fourth proportional to 1,090,419.62, 1,504,920.09 and 625,454.92 is: 863,208.67
Step by Step Solution
- Step 1: Write the proportion equation
1,090,419.62 : 1,504,920.09 = 625,454.92 : x - Step 2: Convert to fraction form
1,090,419.62/1,504,920.09 = 625,454.92/x - Step 3: Cross multiply
1,090,419.62x = 1,504,920.09 × 625,454.92 - Step 4: Simplify right side
1,090,419.62x = 941,259,670,258.77 - Step 5: Solve for x
x = 941,259,670,258.77/1,090,419.62 - Step 6: Final answer
x = 863,208.67
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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.