Finding the Fourth Proportional to 1,182,122.60, 1,772,860.84 and 423,823.14
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Solution
The fourth proportional to 1,182,122.60, 1,772,860.84 and 423,823.14 is: 635,618.89
Step by Step Solution
- Step 1: Write the proportion equation
1,182,122.60 : 1,772,860.84 = 423,823.14 : x - Step 2: Convert to fraction form
1,182,122.60/1,772,860.84 = 423,823.14/x - Step 3: Cross multiply
1,182,122.60x = 1,772,860.84 × 423,823.14 - Step 4: Simplify right side
1,182,122.60x = 751,379,446,932.28 - Step 5: Solve for x
x = 751,379,446,932.28/1,182,122.60 - Step 6: Final answer
x = 635,618.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.