Finding the Fourth Proportional to 1,125,316.62, 1,552,939.56 and 616,051.80
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Solution
The fourth proportional to 1,125,316.62, 1,552,939.56 and 616,051.80 is: 850,152.92
Step by Step Solution
- Step 1: Write the proportion equation
1,125,316.62 : 1,552,939.56 = 616,051.80 : x - Step 2: Convert to fraction form
1,125,316.62/1,552,939.56 = 616,051.80/x - Step 3: Cross multiply
1,125,316.62x = 1,552,939.56 × 616,051.80 - Step 4: Simplify right side
1,125,316.62x = 956,691,211,229.21 - Step 5: Solve for x
x = 956,691,211,229.21/1,125,316.62 - Step 6: Final answer
x = 850,152.92
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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.