Finding the Fourth Proportional to 1,264,901.97, 1,744,381.74 and 1,007,634.23
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Solution
The fourth proportional to 1,264,901.97, 1,744,381.74 and 1,007,634.23 is: 1,389,592.86
Step by Step Solution
- Step 1: Write the proportion equation
1,264,901.97 : 1,744,381.74 = 1,007,634.23 : x - Step 2: Convert to fraction form
1,264,901.97/1,744,381.74 = 1,007,634.23/x - Step 3: Cross multiply
1,264,901.97x = 1,744,381.74 × 1,007,634.23 - Step 4: Simplify right side
1,264,901.97x = 1,757,698,751,410.96 - Step 5: Solve for x
x = 1,757,698,751,410.96/1,264,901.97 - Step 6: Final answer
x = 1,389,592.86
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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.