Finding the Fourth Proportional to 1,270,683.64, 1,753,600.62 and 761,375.08
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Solution
The fourth proportional to 1,270,683.64, 1,753,600.62 and 761,375.08 is: 1,050,731.88
Step by Step Solution
- Step 1: Write the proportion equation
1,270,683.64 : 1,753,600.62 = 761,375.08 : x - Step 2: Convert to fraction form
1,270,683.64/1,753,600.62 = 761,375.08/x - Step 3: Cross multiply
1,270,683.64x = 1,753,600.62 × 761,375.08 - Step 4: Simplify right side
1,270,683.64x = 1,335,147,812,340.55 - Step 5: Solve for x
x = 1,335,147,812,340.55/1,270,683.64 - Step 6: Final answer
x = 1,050,731.88
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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.