Finding the Fourth Proportional to 1,260,260.31, 1,738,860.30 and 716,353.28
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Solution
The fourth proportional to 1,260,260.31, 1,738,860.30 and 716,353.28 is: 988,397.61
Step by Step Solution
- Step 1: Write the proportion equation
1,260,260.31 : 1,738,860.30 = 716,353.28 : x - Step 2: Convert to fraction form
1,260,260.31/1,738,860.30 = 716,353.28/x - Step 3: Cross multiply
1,260,260.31x = 1,738,860.30 × 716,353.28 - Step 4: Simplify right side
1,260,260.31x = 1,245,638,284,959.55 - Step 5: Solve for x
x = 1,245,638,284,959.55/1,260,260.31 - Step 6: Final answer
x = 988,397.61
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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.