Finding the Fourth Proportional to 1,129,166.92, 1,558,251.84 and 612,920.49
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Solution
The fourth proportional to 1,129,166.92, 1,558,251.84 and 612,920.49 is: 845,831.08
Step by Step Solution
- Step 1: Write the proportion equation
1,129,166.92 : 1,558,251.84 = 612,920.49 : x - Step 2: Convert to fraction form
1,129,166.92/1,558,251.84 = 612,920.49/x - Step 3: Cross multiply
1,129,166.92x = 1,558,251.84 × 612,920.49 - Step 4: Simplify right side
1,129,166.92x = 955,084,477,771.21 - Step 5: Solve for x
x = 955,084,477,771.21/1,129,166.92 - Step 6: Final answer
x = 845,831.08
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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.