Finding the Fourth Proportional to 1,236,602.46, 1,706,481.62 and 692,761.18
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Solution
The fourth proportional to 1,236,602.46, 1,706,481.62 and 692,761.18 is: 955,993.75
Step by Step Solution
- Step 1: Write the proportion equation
1,236,602.46 : 1,706,481.62 = 692,761.18 : x - Step 2: Convert to fraction form
1,236,602.46/1,706,481.62 = 692,761.18/x - Step 3: Cross multiply
1,236,602.46x = 1,706,481.62 × 692,761.18 - Step 4: Simplify right side
1,236,602.46x = 1,182,184,220,719.51 - Step 5: Solve for x
x = 1,182,184,220,719.51/1,236,602.46 - Step 6: Final answer
x = 955,993.75
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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.