Finding the Fourth Proportional to 1,203,088.75, 1,660,262.87 and 659,220.12
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Solution
The fourth proportional to 1,203,088.75, 1,660,262.87 and 659,220.12 is: 909,723.99
Step by Step Solution
- Step 1: Write the proportion equation
1,203,088.75 : 1,660,262.87 = 659,220.12 : x - Step 2: Convert to fraction form
1,203,088.75/1,660,262.87 = 659,220.12/x - Step 3: Cross multiply
1,203,088.75x = 1,660,262.87 × 659,220.12 - Step 4: Simplify right side
1,203,088.75x = 1,094,478,690,040.99 - Step 5: Solve for x
x = 1,094,478,690,040.99/1,203,088.75 - Step 6: Final answer
x = 909,723.99
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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.