Finding the Fourth Proportional to 1,220,716.84, 1,684,581.06 and 676,852.96
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Solution
The fourth proportional to 1,220,716.84, 1,684,581.06 and 676,852.96 is: 934,052.55
Step by Step Solution
- Step 1: Write the proportion equation
1,220,716.84 : 1,684,581.06 = 676,852.96 : x - Step 2: Convert to fraction form
1,220,716.84/1,684,581.06 = 676,852.96/x - Step 3: Cross multiply
1,220,716.84x = 1,684,581.06 × 676,852.96 - Step 4: Simplify right side
1,220,716.84x = 1,140,213,676,820.94 - Step 5: Solve for x
x = 1,140,213,676,820.94/1,220,716.84 - Step 6: Final answer
x = 934,052.55
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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.