Finding the Fourth Proportional to 1,213,938.19, 1,675,234.79 and 670,074.13
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Solution
The fourth proportional to 1,213,938.19, 1,675,234.79 and 670,074.13 is: 924,702.35
Step by Step Solution
- Step 1: Write the proportion equation
1,213,938.19 : 1,675,234.79 = 670,074.13 : x - Step 2: Convert to fraction form
1,213,938.19/1,675,234.79 = 670,074.13/x - Step 3: Cross multiply
1,213,938.19x = 1,675,234.79 × 670,074.13 - Step 4: Simplify right side
1,213,938.19x = 1,122,531,494,454.98 - Step 5: Solve for x
x = 1,122,531,494,454.98/1,213,938.19 - Step 6: Final answer
x = 924,702.35
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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.