Finding the Fourth Proportional to 1,259,963.04, 1,738,777.68 and 716,013.12
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Solution
The fourth proportional to 1,259,963.04, 1,738,777.68 and 716,013.12 is: 988,114.41
Step by Step Solution
- Step 1: Write the proportion equation
1,259,963.04 : 1,738,777.68 = 716,013.12 : x - Step 2: Convert to fraction form
1,259,963.04/1,738,777.68 = 716,013.12/x - Step 3: Cross multiply
1,259,963.04x = 1,738,777.68 × 716,013.12 - Step 4: Simplify right side
1,259,963.04x = 1,244,987,631,643.16 - Step 5: Solve for x
x = 1,244,987,631,643.16/1,259,963.04 - Step 6: Final answer
x = 988,114.41
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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.