Finding the Fourth Proportional to 1,048,755.12, 1,447,393.05 and 641,095.62
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Solution
The fourth proportional to 1,048,755.12, 1,447,393.05 and 641,095.62 is: 884,779.80
Step by Step Solution
- Step 1: Write the proportion equation
1,048,755.12 : 1,447,393.05 = 641,095.62 : x - Step 2: Convert to fraction form
1,048,755.12/1,447,393.05 = 641,095.62/x - Step 3: Cross multiply
1,048,755.12x = 1,447,393.05 × 641,095.62 - Step 4: Simplify right side
1,048,755.12x = 927,917,344,773.44 - Step 5: Solve for x
x = 927,917,344,773.44/1,048,755.12 - Step 6: Final answer
x = 884,779.80
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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.