Finding the Fourth Proportional to 1,117,343.80, 1,541,750.65 and 703,816.32
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Solution
The fourth proportional to 1,117,343.80, 1,541,750.65 and 703,816.32 is: 971,150.75
Step by Step Solution
- Step 1: Write the proportion equation
1,117,343.80 : 1,541,750.65 = 703,816.32 : x - Step 2: Convert to fraction form
1,117,343.80/1,541,750.65 = 703,816.32/x - Step 3: Cross multiply
1,117,343.80x = 1,541,750.65 × 703,816.32 - Step 4: Simplify right side
1,117,343.80x = 1,085,109,267,081.07 - Step 5: Solve for x
x = 1,085,109,267,081.07/1,117,343.80 - Step 6: Final answer
x = 971,150.75
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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.