Finding the Fourth Proportional to 1,362,299.84, 1,880,032.10 and 758,687.84
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Solution
The fourth proportional to 1,362,299.84, 1,880,032.10 and 758,687.84 is: 1,047,021.70
Step by Step Solution
- Step 1: Write the proportion equation
1,362,299.84 : 1,880,032.10 = 758,687.84 : x - Step 2: Convert to fraction form
1,362,299.84/1,880,032.10 = 758,687.84/x - Step 3: Cross multiply
1,362,299.84x = 1,880,032.10 × 758,687.84 - Step 4: Simplify right side
1,362,299.84x = 1,426,357,493,079.66 - Step 5: Solve for x
x = 1,426,357,493,079.66/1,362,299.84 - Step 6: Final answer
x = 1,047,021.70
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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.