Finding the Fourth Proportional to 1,244,045.18, 1,865,965.11 and 345,508.03
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Solution
The fourth proportional to 1,244,045.18, 1,865,965.11 and 345,508.03 is: 518,233.53
Step by Step Solution
- Step 1: Write the proportion equation
1,244,045.18 : 1,865,965.11 = 345,508.03 : x - Step 2: Convert to fraction form
1,244,045.18/1,865,965.11 = 345,508.03/x - Step 3: Cross multiply
1,244,045.18x = 1,865,965.11 × 345,508.03 - Step 4: Simplify right side
1,244,045.18x = 644,705,930,241.64 - Step 5: Solve for x
x = 644,705,930,241.64/1,244,045.18 - Step 6: Final answer
x = 518,233.53
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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.