Finding the Fourth Proportional to 1,392,600.88, 1,921,794.08 and 876,696.08
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Solution
The fourth proportional to 1,392,600.88, 1,921,794.08 and 876,696.08 is: 1,209,843.65
Step by Step Solution
- Step 1: Write the proportion equation
1,392,600.88 : 1,921,794.08 = 876,696.08 : x - Step 2: Convert to fraction form
1,392,600.88/1,921,794.08 = 876,696.08/x - Step 3: Cross multiply
1,392,600.88x = 1,921,794.08 × 876,696.08 - Step 4: Simplify right side
1,392,600.88x = 1,684,829,336,503.21 - Step 5: Solve for x
x = 1,684,829,336,503.21/1,392,600.88 - Step 6: Final answer
x = 1,209,843.65
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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.