Finding the Fourth Proportional to 1,202,636.07, 1,659,008.57 and 743,603.91
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Solution
The fourth proportional to 1,202,636.07, 1,659,008.57 and 743,603.91 is: 1,025,784.35
Step by Step Solution
- Step 1: Write the proportion equation
1,202,636.07 : 1,659,008.57 = 743,603.91 : x - Step 2: Convert to fraction form
1,202,636.07/1,659,008.57 = 743,603.91/x - Step 3: Cross multiply
1,202,636.07x = 1,659,008.57 × 743,603.91 - Step 4: Simplify right side
1,202,636.07x = 1,233,645,255,657.49 - Step 5: Solve for x
x = 1,233,645,255,657.49/1,202,636.07 - Step 6: Final answer
x = 1,025,784.35
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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.