Finding the Fourth Proportional to 1,207,523.68, 1,665,688.78 and 754,027.36
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Solution
The fourth proportional to 1,207,523.68, 1,665,688.78 and 754,027.36 is: 1,040,124.46
Step by Step Solution
- Step 1: Write the proportion equation
1,207,523.68 : 1,665,688.78 = 754,027.36 : x - Step 2: Convert to fraction form
1,207,523.68/1,665,688.78 = 754,027.36/x - Step 3: Cross multiply
1,207,523.68x = 1,665,688.78 × 754,027.36 - Step 4: Simplify right side
1,207,523.68x = 1,255,974,913,365.02 - Step 5: Solve for x
x = 1,255,974,913,365.02/1,207,523.68 - Step 6: Final answer
x = 1,040,124.46
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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.