Finding the Fourth Proportional to 1,232,725.12, 1,840,060.42 and 1,087,119.79
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Solution
The fourth proportional to 1,232,725.12, 1,840,060.42 and 1,087,119.79 is: 1,622,718.69
Step by Step Solution
- Step 1: Write the proportion equation
1,232,725.12 : 1,840,060.42 = 1,087,119.79 : x - Step 2: Convert to fraction form
1,232,725.12/1,840,060.42 = 1,087,119.79/x - Step 3: Cross multiply
1,232,725.12x = 1,840,060.42 × 1,087,119.79 - Step 4: Simplify right side
1,232,725.12x = 2,000,366,090,059.76 - Step 5: Solve for x
x = 2,000,366,090,059.76/1,232,725.12 - Step 6: Final answer
x = 1,622,718.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.