Finding the Fourth Proportional to 1,497,388.68, 2,066,391.81 and 818,325.18
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Solution
The fourth proportional to 1,497,388.68, 2,066,391.81 and 818,325.18 is: 1,129,286.25
Step by Step Solution
- Step 1: Write the proportion equation
1,497,388.68 : 2,066,391.81 = 818,325.18 : x - Step 2: Convert to fraction form
1,497,388.68/2,066,391.81 = 818,325.18/x - Step 3: Cross multiply
1,497,388.68x = 2,066,391.81 × 818,325.18 - Step 4: Simplify right side
1,497,388.68x = 1,690,980,449,868.78 - Step 5: Solve for x
x = 1,690,980,449,868.78/1,497,388.68 - Step 6: Final answer
x = 1,129,286.25
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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.