Finding the Fourth Proportional to 1,007,796.44, 1,390,759.08 and 555,087.44
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Solution
The fourth proportional to 1,007,796.44, 1,390,759.08 and 555,087.44 is: 766,020.66
Step by Step Solution
- Step 1: Write the proportion equation
1,007,796.44 : 1,390,759.08 = 555,087.44 : x - Step 2: Convert to fraction form
1,007,796.44/1,390,759.08 = 555,087.44/x - Step 3: Cross multiply
1,007,796.44x = 1,390,759.08 × 555,087.44 - Step 4: Simplify right side
1,007,796.44x = 771,992,897,373.96 - Step 5: Solve for x
x = 771,992,897,373.96/1,007,796.44 - Step 6: Final answer
x = 766,020.66
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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.