Finding the Fourth Proportional to 1,202,910.98, 1,660,017.12 and 659,067.40
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Solution
The fourth proportional to 1,202,910.98, 1,660,017.12 and 659,067.40 is: 909,512.99
Step by Step Solution
- Step 1: Write the proportion equation
1,202,910.98 : 1,660,017.12 = 659,067.40 : x - Step 2: Convert to fraction form
1,202,910.98/1,660,017.12 = 659,067.40/x - Step 3: Cross multiply
1,202,910.98x = 1,660,017.12 × 659,067.40 - Step 4: Simplify right side
1,202,910.98x = 1,094,063,167,233.89 - Step 5: Solve for x
x = 1,094,063,167,233.89/1,202,910.98 - Step 6: Final answer
x = 909,512.99
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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.