Finding the Fourth Proportional to 1,330,840.14, 1,836,560.26 and 718,992.55
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Solution
The fourth proportional to 1,330,840.14, 1,836,560.26 and 718,992.55 is: 992,210.18
Step by Step Solution
- Step 1: Write the proportion equation
1,330,840.14 : 1,836,560.26 = 718,992.55 : x - Step 2: Convert to fraction form
1,330,840.14/1,836,560.26 = 718,992.55/x - Step 3: Cross multiply
1,330,840.14x = 1,836,560.26 × 718,992.55 - Step 4: Simplify right side
1,330,840.14x = 1,320,473,138,177.18 - Step 5: Solve for x
x = 1,320,473,138,177.18/1,330,840.14 - Step 6: Final answer
x = 992,210.18
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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.