Finding the Fourth Proportional to 1,276,963.68, 1,762,156.77 and 696,174.24
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Solution
The fourth proportional to 1,276,963.68, 1,762,156.77 and 696,174.24 is: 960,691.50
Step by Step Solution
- Step 1: Write the proportion equation
1,276,963.68 : 1,762,156.77 = 696,174.24 : x - Step 2: Convert to fraction form
1,276,963.68/1,762,156.77 = 696,174.24/x - Step 3: Cross multiply
1,276,963.68x = 1,762,156.77 × 696,174.24 - Step 4: Simplify right side
1,276,963.68x = 1,226,768,150,115.60 - Step 5: Solve for x
x = 1,226,768,150,115.60/1,276,963.68 - Step 6: Final answer
x = 960,691.50
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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.