Finding the Fourth Proportional to 1,274,961.24, 1,759,511.16 and 723,715.74
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Solution
The fourth proportional to 1,274,961.24, 1,759,511.16 and 723,715.74 is: 998,764.42
Step by Step Solution
- Step 1: Write the proportion equation
1,274,961.24 : 1,759,511.16 = 723,715.74 : x - Step 2: Convert to fraction form
1,274,961.24/1,759,511.16 = 723,715.74/x - Step 3: Cross multiply
1,274,961.24x = 1,759,511.16 × 723,715.74 - Step 4: Simplify right side
1,274,961.24x = 1,273,385,921,197.66 - Step 5: Solve for x
x = 1,273,385,921,197.66/1,274,961.24 - Step 6: Final answer
x = 998,764.42
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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.