Finding the Fourth Proportional to 1,145,797.53, 1,580,542.71 and 715,330.32
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Solution
The fourth proportional to 1,145,797.53, 1,580,542.71 and 715,330.32 is: 986,745.12
Step by Step Solution
- Step 1: Write the proportion equation
1,145,797.53 : 1,580,542.71 = 715,330.32 : x - Step 2: Convert to fraction form
1,145,797.53/1,580,542.71 = 715,330.32/x - Step 3: Cross multiply
1,145,797.53x = 1,580,542.71 × 715,330.32 - Step 4: Simplify right side
1,145,797.53x = 1,130,610,122,517.97 - Step 5: Solve for x
x = 1,130,610,122,517.97/1,145,797.53 - Step 6: Final answer
x = 986,745.12
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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.