Finding the Fourth Proportional to 1,348,474.70, 1,860,951.65 and 775,515.33
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Solution
The fourth proportional to 1,348,474.70, 1,860,951.65 and 775,515.33 is: 1,070,243.68
Step by Step Solution
- Step 1: Write the proportion equation
1,348,474.70 : 1,860,951.65 = 775,515.33 : x - Step 2: Convert to fraction form
1,348,474.70/1,860,951.65 = 775,515.33/x - Step 3: Cross multiply
1,348,474.70x = 1,860,951.65 × 775,515.33 - Step 4: Simplify right side
1,348,474.70x = 1,443,196,529,086.22 - Step 5: Solve for x
x = 1,443,196,529,086.22/1,348,474.70 - Step 6: Final answer
x = 1,070,243.68
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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.