Finding the Fourth Proportional to 1,048,756.12, 1,447,394.43 and 641,096.62
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Solution
The fourth proportional to 1,048,756.12, 1,447,394.43 and 641,096.62 is: 884,781.18
Step by Step Solution
- Step 1: Write the proportion equation
1,048,756.12 : 1,447,394.43 = 641,096.62 : x - Step 2: Convert to fraction form
1,048,756.12/1,447,394.43 = 641,096.62/x - Step 3: Cross multiply
1,048,756.12x = 1,447,394.43 × 641,096.62 - Step 4: Simplify right side
1,048,756.12x = 927,919,676,879.83 - Step 5: Solve for x
x = 927,919,676,879.83/1,048,756.12 - Step 6: Final answer
x = 884,781.18
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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.