Finding the Fourth Proportional to 1,228,884.14, 1,843,637.24 and 342,420.14
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Solution
The fourth proportional to 1,228,884.14, 1,843,637.24 and 342,420.14 is: 513,716.88
Step by Step Solution
- Step 1: Write the proportion equation
1,228,884.14 : 1,843,637.24 = 342,420.14 : x - Step 2: Convert to fraction form
1,228,884.14/1,843,637.24 = 342,420.14/x - Step 3: Cross multiply
1,228,884.14x = 1,843,637.24 × 342,420.14 - Step 4: Simplify right side
1,228,884.14x = 631,298,521,830.01 - Step 5: Solve for x
x = 631,298,521,830.01/1,228,884.14 - Step 6: Final answer
x = 513,716.88
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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.