Finding the Fourth Proportional to 1,169,327.70, 1,752,679.35 and 664,130.70
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Solution
The fourth proportional to 1,169,327.70, 1,752,679.35 and 664,130.70 is: 995,450.77
Step by Step Solution
- Step 1: Write the proportion equation
1,169,327.70 : 1,752,679.35 = 664,130.70 : x - Step 2: Convert to fraction form
1,169,327.70/1,752,679.35 = 664,130.70/x - Step 3: Cross multiply
1,169,327.70x = 1,752,679.35 × 664,130.70 - Step 4: Simplify right side
1,169,327.70x = 1,164,008,163,591.05 - Step 5: Solve for x
x = 1,164,008,163,591.05/1,169,327.70 - Step 6: Final answer
x = 995,450.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.