Finding the Fourth Proportional to 1,440,419.13, 1,987,724.79 and 795,825.54
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Solution
The fourth proportional to 1,440,419.13, 1,987,724.79 and 795,825.54 is: 1,098,209.63
Step by Step Solution
- Step 1: Write the proportion equation
1,440,419.13 : 1,987,724.79 = 795,825.54 : x - Step 2: Convert to fraction form
1,440,419.13/1,987,724.79 = 795,825.54/x - Step 3: Cross multiply
1,440,419.13x = 1,987,724.79 × 795,825.54 - Step 4: Simplify right side
1,440,419.13x = 1,581,882,154,373.14 - Step 5: Solve for x
x = 1,581,882,154,373.14/1,440,419.13 - Step 6: Final answer
x = 1,098,209.63
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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.