Finding the Fourth Proportional to 1,259,148.36, 1,737,131.50 and 774,872.75
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Solution
The fourth proportional to 1,259,148.36, 1,737,131.50 and 774,872.75 is: 1,069,020.86
Step by Step Solution
- Step 1: Write the proportion equation
1,259,148.36 : 1,737,131.50 = 774,872.75 : x - Step 2: Convert to fraction form
1,259,148.36/1,737,131.50 = 774,872.75/x - Step 3: Cross multiply
1,259,148.36x = 1,737,131.50 × 774,872.75 - Step 4: Simplify right side
1,259,148.36x = 1,346,055,860,579.44 - Step 5: Solve for x
x = 1,346,055,860,579.44/1,259,148.36 - Step 6: Final answer
x = 1,069,020.86
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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.