Finding the Fourth Proportional to 1,001,396.41, 1,381,982.39 and 571,814.53
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Solution
The fourth proportional to 1,001,396.41, 1,381,982.39 and 571,814.53 is: 789,135.65
Step by Step Solution
- Step 1: Write the proportion equation
1,001,396.41 : 1,381,982.39 = 571,814.53 : x - Step 2: Convert to fraction form
1,001,396.41/1,381,982.39 = 571,814.53/x - Step 3: Cross multiply
1,001,396.41x = 1,381,982.39 × 571,814.53 - Step 4: Simplify right side
1,001,396.41x = 790,237,610,806.13 - Step 5: Solve for x
x = 790,237,610,806.13/1,001,396.41 - Step 6: Final answer
x = 789,135.65
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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.