Finding the Fourth Proportional to 836,290.52, 1,248,115.91 and 755,578.12
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Solution
The fourth proportional to 836,290.52, 1,248,115.91 and 755,578.12 is: 1,127,657.26
Step by Step Solution
- Step 1: Write the proportion equation
836,290.52 : 1,248,115.91 = 755,578.12 : x - Step 2: Convert to fraction form
836,290.52/1,248,115.91 = 755,578.12/x - Step 3: Cross multiply
836,290.52x = 1,248,115.91 × 755,578.12 - Step 4: Simplify right side
836,290.52x = 943,049,072,819.89 - Step 5: Solve for x
x = 943,049,072,819.89/836,290.52 - Step 6: Final answer
x = 1,127,657.26
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.