Finding the Fourth Proportional to 1,379,461.90, 1,902,578.97 and 896,182.72
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Solution
The fourth proportional to 1,379,461.90, 1,902,578.97 and 896,182.72 is: 1,236,031.53
Step by Step Solution
- Step 1: Write the proportion equation
1,379,461.90 : 1,902,578.97 = 896,182.72 : x - Step 2: Convert to fraction form
1,379,461.90/1,902,578.97 = 896,182.72/x - Step 3: Cross multiply
1,379,461.90x = 1,902,578.97 × 896,182.72 - Step 4: Simplify right side
1,379,461.90x = 1,705,058,396,349.40 - Step 5: Solve for x
x = 1,705,058,396,349.40/1,379,461.90 - Step 6: Final answer
x = 1,236,031.53
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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.