Finding the Fourth Proportional to 1,268,139.96, 1,750,213.31 and 784,860.75
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Solution
The fourth proportional to 1,268,139.96, 1,750,213.31 and 784,860.75 is: 1,083,219.34
Step by Step Solution
- Step 1: Write the proportion equation
1,268,139.96 : 1,750,213.31 = 784,860.75 : x - Step 2: Convert to fraction form
1,268,139.96/1,750,213.31 = 784,860.75/x - Step 3: Cross multiply
1,268,139.96x = 1,750,213.31 × 784,860.75 - Step 4: Simplify right side
1,268,139.96x = 1,373,673,727,222.28 - Step 5: Solve for x
x = 1,373,673,727,222.28/1,268,139.96 - Step 6: Final answer
x = 1,083,219.34
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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.