Finding the Fourth Proportional to 1,268,421.52, 1,750,476.36 and 759,025.84
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Solution
The fourth proportional to 1,268,421.52, 1,750,476.36 and 759,025.84 is: 1,047,488.37
Step by Step Solution
- Step 1: Write the proportion equation
1,268,421.52 : 1,750,476.36 = 759,025.84 : x - Step 2: Convert to fraction form
1,268,421.52/1,750,476.36 = 759,025.84/x - Step 3: Cross multiply
1,268,421.52x = 1,750,476.36 × 759,025.84 - Step 4: Simplify right side
1,268,421.52x = 1,328,656,789,549.14 - Step 5: Solve for x
x = 1,328,656,789,549.14/1,268,421.52 - Step 6: Final answer
x = 1,047,488.37
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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.