Finding the Fourth Proportional to 1,012,717.48, 1,397,074.02 and 722,393.08
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Solution
The fourth proportional to 1,012,717.48, 1,397,074.02 and 722,393.08 is: 996,562.84
Step by Step Solution
- Step 1: Write the proportion equation
1,012,717.48 : 1,397,074.02 = 722,393.08 : x - Step 2: Convert to fraction form
1,012,717.48/1,397,074.02 = 722,393.08/x - Step 3: Cross multiply
1,012,717.48x = 1,397,074.02 × 722,393.08 - Step 4: Simplify right side
1,012,717.48x = 1,009,236,604,295.78 - Step 5: Solve for x
x = 1,009,236,604,295.78/1,012,717.48 - Step 6: Final answer
x = 996,562.84
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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.