Finding the Fourth Proportional to 1,019,409.84, 1,413,324.18 and 962,722.80
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Solution
The fourth proportional to 1,019,409.84, 1,413,324.18 and 962,722.80 is: 1,334,732.47
Step by Step Solution
- Step 1: Write the proportion equation
1,019,409.84 : 1,413,324.18 = 962,722.80 : x - Step 2: Convert to fraction form
1,019,409.84/1,413,324.18 = 962,722.80/x - Step 3: Cross multiply
1,019,409.84x = 1,413,324.18 × 962,722.80 - Step 4: Simplify right side
1,019,409.84x = 1,360,639,411,877.30 - Step 5: Solve for x
x = 1,360,639,411,877.30/1,019,409.84 - Step 6: Final answer
x = 1,334,732.47
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.