Finding the Fourth Proportional to 1,225,759.97, 1,691,603.34 and 1,021,468.88
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Solution
The fourth proportional to 1,225,759.97, 1,691,603.34 and 1,021,468.88 is: 1,409,672.54
Step by Step Solution
- Step 1: Write the proportion equation
1,225,759.97 : 1,691,603.34 = 1,021,468.88 : x - Step 2: Convert to fraction form
1,225,759.97/1,691,603.34 = 1,021,468.88/x - Step 3: Cross multiply
1,225,759.97x = 1,691,603.34 × 1,021,468.88 - Step 4: Simplify right side
1,225,759.97x = 1,727,920,169,114.06 - Step 5: Solve for x
x = 1,727,920,169,114.06/1,225,759.97 - Step 6: Final answer
x = 1,409,672.54
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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.