Finding the Fourth Proportional to 1,180,711.68, 1,629,335.21 and 697,432.06
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Solution
The fourth proportional to 1,180,711.68, 1,629,335.21 and 697,432.06 is: 962,428.53
Step by Step Solution
- Step 1: Write the proportion equation
1,180,711.68 : 1,629,335.21 = 697,432.06 : x - Step 2: Convert to fraction form
1,180,711.68/1,629,335.21 = 697,432.06/x - Step 3: Cross multiply
1,180,711.68x = 1,629,335.21 × 697,432.06 - Step 4: Simplify right side
1,180,711.68x = 1,136,350,611,940.83 - Step 5: Solve for x
x = 1,136,350,611,940.83/1,180,711.68 - Step 6: Final answer
x = 962,428.53
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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.