Finding the Fourth Proportional to 1,423,658.28, 1,964,454.18 and 850,576.68
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Solution
The fourth proportional to 1,423,658.28, 1,964,454.18 and 850,576.68 is: 1,173,679.76
Step by Step Solution
- Step 1: Write the proportion equation
1,423,658.28 : 1,964,454.18 = 850,576.68 : x - Step 2: Convert to fraction form
1,423,658.28/1,964,454.18 = 850,576.68/x - Step 3: Cross multiply
1,423,658.28x = 1,964,454.18 × 850,576.68 - Step 4: Simplify right side
1,423,658.28x = 1,670,918,914,436.52 - Step 5: Solve for x
x = 1,670,918,914,436.52/1,423,658.28 - Step 6: Final answer
x = 1,173,679.76
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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.