Finding the Fourth Proportional to 1,250,403.92, 1,725,559.08 and 677,444.12
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Solution
The fourth proportional to 1,250,403.92, 1,725,559.08 and 677,444.12 is: 934,873.79
Step by Step Solution
- Step 1: Write the proportion equation
1,250,403.92 : 1,725,559.08 = 677,444.12 : x - Step 2: Convert to fraction form
1,250,403.92/1,725,559.08 = 677,444.12/x - Step 3: Cross multiply
1,250,403.92x = 1,725,559.08 × 677,444.12 - Step 4: Simplify right side
1,250,403.92x = 1,168,969,852,458.61 - Step 5: Solve for x
x = 1,168,969,852,458.61/1,250,403.92 - Step 6: Final answer
x = 934,873.79
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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.