Finding the Fourth Proportional to 1,408,553.75, 1,943,804.18 and 804,941.75
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Solution
The fourth proportional to 1,408,553.75, 1,943,804.18 and 804,941.75 is: 1,110,819.62
Step by Step Solution
- Step 1: Write the proportion equation
1,408,553.75 : 1,943,804.18 = 804,941.75 : x - Step 2: Convert to fraction form
1,408,553.75/1,943,804.18 = 804,941.75/x - Step 3: Cross multiply
1,408,553.75x = 1,943,804.18 × 804,941.75 - Step 4: Simplify right side
1,408,553.75x = 1,564,649,138,306.52 - Step 5: Solve for x
x = 1,564,649,138,306.52/1,408,553.75 - Step 6: Final answer
x = 1,110,819.62
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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.