Finding the Fourth Proportional to 1,273,327.88, 1,757,442.08 and 729,827.94
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Solution
The fourth proportional to 1,273,327.88, 1,757,442.08 and 729,827.94 is: 1,007,305.63
Step by Step Solution
- Step 1: Write the proportion equation
1,273,327.88 : 1,757,442.08 = 729,827.94 : x - Step 2: Convert to fraction form
1,273,327.88/1,757,442.08 = 729,827.94/x - Step 3: Cross multiply
1,273,327.88x = 1,757,442.08 × 729,827.94 - Step 4: Simplify right side
1,273,327.88x = 1,282,630,341,330.69 - Step 5: Solve for x
x = 1,282,630,341,330.69/1,273,327.88 - Step 6: Final answer
x = 1,007,305.63
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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.