Finding the Fourth Proportional to 1,276,316.42, 1,761,353.55 and 703,393.49
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Solution
The fourth proportional to 1,276,316.42, 1,761,353.55 and 703,393.49 is: 970,703.34
Step by Step Solution
- Step 1: Write the proportion equation
1,276,316.42 : 1,761,353.55 = 703,393.49 : x - Step 2: Convert to fraction form
1,276,316.42/1,761,353.55 = 703,393.49/x - Step 3: Cross multiply
1,276,316.42x = 1,761,353.55 × 703,393.49 - Step 4: Simplify right side
1,276,316.42x = 1,238,924,611,851.62 - Step 5: Solve for x
x = 1,238,924,611,851.62/1,276,316.42 - Step 6: Final answer
x = 970,703.34
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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.