Finding the Fourth Proportional to 1,202,792.42, 1,659,853.40 and 719,357.49
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Solution
The fourth proportional to 1,202,792.42, 1,659,853.40 and 719,357.49 is: 992,713.25
Step by Step Solution
- Step 1: Write the proportion equation
1,202,792.42 : 1,659,853.40 = 719,357.49 : x - Step 2: Convert to fraction form
1,202,792.42/1,659,853.40 = 719,357.49/x - Step 3: Cross multiply
1,202,792.42x = 1,659,853.40 × 719,357.49 - Step 4: Simplify right side
1,202,792.42x = 1,194,027,971,995.18 - Step 5: Solve for x
x = 1,194,027,971,995.18/1,202,792.42 - Step 6: Final answer
x = 992,713.25
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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.