Finding the Fourth Proportional to 1,277,119.42, 1,762,418.18 and 696,373.72
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Solution
The fourth proportional to 1,277,119.42, 1,762,418.18 and 696,373.72 is: 960,992.12
Step by Step Solution
- Step 1: Write the proportion equation
1,277,119.42 : 1,762,418.18 = 696,373.72 : x - Step 2: Convert to fraction form
1,277,119.42/1,762,418.18 = 696,373.72/x - Step 3: Cross multiply
1,277,119.42x = 1,762,418.18 × 696,373.72 - Step 4: Simplify right side
1,277,119.42x = 1,227,301,704,202.23 - Step 5: Solve for x
x = 1,227,301,704,202.23/1,277,119.42 - Step 6: Final answer
x = 960,992.12
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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.