Finding the Fourth Proportional to 1,167,739.93, 1,611,206.06 and 708,843.14
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Solution
The fourth proportional to 1,167,739.93, 1,611,206.06 and 708,843.14 is: 978,036.58
Step by Step Solution
- Step 1: Write the proportion equation
1,167,739.93 : 1,611,206.06 = 708,843.14 : x - Step 2: Convert to fraction form
1,167,739.93/1,611,206.06 = 708,843.14/x - Step 3: Cross multiply
1,167,739.93x = 1,611,206.06 × 708,843.14 - Step 4: Simplify right side
1,167,739.93x = 1,142,092,362,757.43 - Step 5: Solve for x
x = 1,142,092,362,757.43/1,167,739.93 - Step 6: Final answer
x = 978,036.58
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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.