Finding the Fourth Proportional to 1,274,611.76, 1,911,258.96 and 375,939.08
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Solution
The fourth proportional to 1,274,611.76, 1,911,258.96 and 375,939.08 is: 563,714.35
Step by Step Solution
- Step 1: Write the proportion equation
1,274,611.76 : 1,911,258.96 = 375,939.08 : x - Step 2: Convert to fraction form
1,274,611.76/1,911,258.96 = 375,939.08/x - Step 3: Cross multiply
1,274,611.76x = 1,911,258.96 × 375,939.08 - Step 4: Simplify right side
1,274,611.76x = 718,516,935,064.16 - Step 5: Solve for x
x = 718,516,935,064.16/1,274,611.76 - Step 6: Final answer
x = 563,714.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.