Finding the Fourth Proportional to 1,225,695.12, 1,835,268.12 and 719,840.40
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Solution
The fourth proportional to 1,225,695.12, 1,835,268.12 and 719,840.40 is: 1,077,837.48
Step by Step Solution
- Step 1: Write the proportion equation
1,225,695.12 : 1,835,268.12 = 719,840.40 : x - Step 2: Convert to fraction form
1,225,695.12/1,835,268.12 = 719,840.40/x - Step 3: Cross multiply
1,225,695.12x = 1,835,268.12 × 719,840.40 - Step 4: Simplify right side
1,225,695.12x = 1,321,100,137,608.05 - Step 5: Solve for x
x = 1,321,100,137,608.05/1,225,695.12 - Step 6: Final answer
x = 1,077,837.48
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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.