Finding the Fourth Proportional to 1,015,721.26, 1,522,269.66 and 483,405.46
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Solution
The fourth proportional to 1,015,721.26, 1,522,269.66 and 483,405.46 is: 724,483.67
Step by Step Solution
- Step 1: Write the proportion equation
1,015,721.26 : 1,522,269.66 = 483,405.46 : x - Step 2: Convert to fraction form
1,015,721.26/1,522,269.66 = 483,405.46/x - Step 3: Cross multiply
1,015,721.26x = 1,522,269.66 × 483,405.46 - Step 4: Simplify right side
1,015,721.26x = 735,873,465,236.34 - Step 5: Solve for x
x = 735,873,465,236.34/1,015,721.26 - Step 6: Final answer
x = 724,483.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.