Finding the Fourth Proportional to 1,146,052.53, 1,581,595.18 and 687,241.80
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Solution
The fourth proportional to 1,146,052.53, 1,581,595.18 and 687,241.80 is: 948,419.28
Step by Step Solution
- Step 1: Write the proportion equation
1,146,052.53 : 1,581,595.18 = 687,241.80 : x - Step 2: Convert to fraction form
1,146,052.53/1,581,595.18 = 687,241.80/x - Step 3: Cross multiply
1,146,052.53x = 1,581,595.18 × 687,241.80 - Step 4: Simplify right side
1,146,052.53x = 1,086,938,318,374.52 - Step 5: Solve for x
x = 1,086,938,318,374.52/1,146,052.53 - Step 6: Final answer
x = 948,419.28
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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.