Finding the Fourth Proportional to 1,255,072.73, 1,731,408.62 and 910,151.84
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Solution
The fourth proportional to 1,255,072.73, 1,731,408.62 and 910,151.84 is: 1,255,580.42
Step by Step Solution
- Step 1: Write the proportion equation
1,255,072.73 : 1,731,408.62 = 910,151.84 : x - Step 2: Convert to fraction form
1,255,072.73/1,731,408.62 = 910,151.84/x - Step 3: Cross multiply
1,255,072.73x = 1,731,408.62 × 910,151.84 - Step 4: Simplify right side
1,255,072.73x = 1,575,844,741,062.62 - Step 5: Solve for x
x = 1,575,844,741,062.62/1,255,072.73 - Step 6: Final answer
x = 1,255,580.42
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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.