Finding the Fourth Proportional to 1,408,556.75, 1,943,808.32 and 804,944.75
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Solution
The fourth proportional to 1,408,556.75, 1,943,808.32 and 804,944.75 is: 1,110,823.76
Step by Step Solution
- Step 1: Write the proportion equation
1,408,556.75 : 1,943,808.32 = 804,944.75 : x - Step 2: Convert to fraction form
1,408,556.75/1,943,808.32 = 804,944.75/x - Step 3: Cross multiply
1,408,556.75x = 1,943,808.32 × 804,944.75 - Step 4: Simplify right side
1,408,556.75x = 1,564,658,302,190.32 - Step 5: Solve for x
x = 1,564,658,302,190.32/1,408,556.75 - Step 6: Final answer
x = 1,110,823.76
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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.