Finding the Fourth Proportional to 1,202,909.97, 1,660,015.74 and 659,066.40
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Solution
The fourth proportional to 1,202,909.97, 1,660,015.74 and 659,066.40 is: 909,511.62
Step by Step Solution
- Step 1: Write the proportion equation
1,202,909.97 : 1,660,015.74 = 659,066.40 : x - Step 2: Convert to fraction form
1,202,909.97/1,660,015.74 = 659,066.40/x - Step 3: Cross multiply
1,202,909.97x = 1,660,015.74 × 659,066.40 - Step 4: Simplify right side
1,202,909.97x = 1,094,060,597,705.14 - Step 5: Solve for x
x = 1,094,060,597,705.14/1,202,909.97 - Step 6: Final answer
x = 909,511.62
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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.