Finding the Fourth Proportional to 1,250,405.92, 1,725,561.84 and 677,446.12
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Solution
The fourth proportional to 1,250,405.92, 1,725,561.84 and 677,446.12 is: 934,876.55
Step by Step Solution
- Step 1: Write the proportion equation
1,250,405.92 : 1,725,561.84 = 677,446.12 : x - Step 2: Convert to fraction form
1,250,405.92/1,725,561.84 = 677,446.12/x - Step 3: Cross multiply
1,250,405.92x = 1,725,561.84 × 677,446.12 - Step 4: Simplify right side
1,250,405.92x = 1,168,975,173,328.06 - Step 5: Solve for x
x = 1,168,975,173,328.06/1,250,405.92 - Step 6: Final answer
x = 934,876.55
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1.5x scale
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.