Finding the Fourth Proportional to 1,158,744.70, 1,738,117.05 and 317,295.10
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Solution
The fourth proportional to 1,158,744.70, 1,738,117.05 and 317,295.10 is: 475,942.65
Step by Step Solution
- Step 1: Write the proportion equation
1,158,744.70 : 1,738,117.05 = 317,295.10 : x - Step 2: Convert to fraction form
1,158,744.70/1,738,117.05 = 317,295.10/x - Step 3: Cross multiply
1,158,744.70x = 1,738,117.05 × 317,295.10 - Step 4: Simplify right side
1,158,744.70x = 551,496,023,191.46 - Step 5: Solve for x
x = 551,496,023,191.46/1,158,744.70 - Step 6: Final answer
x = 475,942.65
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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.