Finding the Fourth Proportional to 1,720,232.48, 2,580,659.82 and 708,791.75
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Solution
The fourth proportional to 1,720,232.48, 2,580,659.82 and 708,791.75 is: 1,063,315.81
Step by Step Solution
- Step 1: Write the proportion equation
1,720,232.48 : 2,580,659.82 = 708,791.75 : x - Step 2: Convert to fraction form
1,720,232.48/2,580,659.82 = 708,791.75/x - Step 3: Cross multiply
1,720,232.48x = 2,580,659.82 × 708,791.75 - Step 4: Simplify right side
1,720,232.48x = 1,829,150,389,972.49 - Step 5: Solve for x
x = 1,829,150,389,972.49/1,720,232.48 - Step 6: Final answer
x = 1,063,315.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.