Finding the Fourth Proportional to 937,381.20, 1,292,618.62 and 801,863.74
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Solution
The fourth proportional to 937,381.20, 1,292,618.62 and 801,863.74 is: 1,105,744.39
Step by Step Solution
- Step 1: Write the proportion equation
937,381.20 : 1,292,618.62 = 801,863.74 : x - Step 2: Convert to fraction form
937,381.20/1,292,618.62 = 801,863.74/x - Step 3: Cross multiply
937,381.20x = 1,292,618.62 × 801,863.74 - Step 4: Simplify right side
937,381.20x = 1,036,504,001,026.84 - Step 5: Solve for x
x = 1,036,504,001,026.84/937,381.20 - Step 6: Final answer
x = 1,105,744.39
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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.