Finding the Fourth Proportional to 1,403,699.94, 1,937,121.21 and 759,132.72
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Solution
The fourth proportional to 1,403,699.94, 1,937,121.21 and 759,132.72 is: 1,047,611.42
Step by Step Solution
- Step 1: Write the proportion equation
1,403,699.94 : 1,937,121.21 = 759,132.72 : x - Step 2: Convert to fraction form
1,403,699.94/1,937,121.21 = 759,132.72/x - Step 3: Cross multiply
1,403,699.94x = 1,937,121.21 × 759,132.72 - Step 4: Simplify right side
1,403,699.94x = 1,470,532,093,116.99 - Step 5: Solve for x
x = 1,470,532,093,116.99/1,403,699.94 - Step 6: Final answer
x = 1,047,611.42
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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.