Finding the Fourth Proportional to 1,313,677.42, 1,971,400.48 and 460,756.98
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Solution
The fourth proportional to 1,313,677.42, 1,971,400.48 and 460,756.98 is: 691,445.65
Step by Step Solution
- Step 1: Write the proportion equation
1,313,677.42 : 1,971,400.48 = 460,756.98 : x - Step 2: Convert to fraction form
1,313,677.42/1,971,400.48 = 460,756.98/x - Step 3: Cross multiply
1,313,677.42x = 1,971,400.48 × 460,756.98 - Step 4: Simplify right side
1,313,677.42x = 908,336,530,383.46 - Step 5: Solve for x
x = 908,336,530,383.46/1,313,677.42 - Step 6: Final answer
x = 691,445.65
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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.