Finding the Fourth Proportional to 1,260,276.96, 1,739,112.84 and 716,337.12
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Solution
The fourth proportional to 1,260,276.96, 1,739,112.84 and 716,337.12 is: 988,505.80
Step by Step Solution
- Step 1: Write the proportion equation
1,260,276.96 : 1,739,112.84 = 716,337.12 : x - Step 2: Convert to fraction form
1,260,276.96/1,739,112.84 = 716,337.12/x - Step 3: Cross multiply
1,260,276.96x = 1,739,112.84 × 716,337.12 - Step 4: Simplify right side
1,260,276.96x = 1,245,791,083,160.62 - Step 5: Solve for x
x = 1,245,791,083,160.62/1,260,276.96 - Step 6: Final answer
x = 988,505.80
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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.