Finding the Fourth Proportional to 1,268,423.52, 1,750,479.12 and 759,027.84
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Solution
The fourth proportional to 1,268,423.52, 1,750,479.12 and 759,027.84 is: 1,047,491.13
Step by Step Solution
- Step 1: Write the proportion equation
1,268,423.52 : 1,750,479.12 = 759,027.84 : x - Step 2: Convert to fraction form
1,268,423.52/1,750,479.12 = 759,027.84/x - Step 3: Cross multiply
1,268,423.52x = 1,750,479.12 × 759,027.84 - Step 4: Simplify right side
1,268,423.52x = 1,328,662,385,418.70 - Step 5: Solve for x
x = 1,328,662,385,418.70/1,268,423.52 - Step 6: Final answer
x = 1,047,491.13
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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.