Finding the Fourth Proportional to 1,040,630.70, 1,560,946.05 and 292,676.70
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Solution
The fourth proportional to 1,040,630.70, 1,560,946.05 and 292,676.70 is: 439,015.05
Step by Step Solution
- Step 1: Write the proportion equation
1,040,630.70 : 1,560,946.05 = 292,676.70 : x - Step 2: Convert to fraction form
1,040,630.70/1,560,946.05 = 292,676.70/x - Step 3: Cross multiply
1,040,630.70x = 1,560,946.05 × 292,676.70 - Step 4: Simplify right side
1,040,630.70x = 456,852,538,792.04 - Step 5: Solve for x
x = 456,852,538,792.04/1,040,630.70 - Step 6: Final answer
x = 439,015.05
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1.5x scale
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.