Finding the Fourth Proportional to 1,138,226.68, 1,707,564.19 and 339,490.54
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Solution
The fourth proportional to 1,138,226.68, 1,707,564.19 and 339,490.54 is: 509,302.67
Step by Step Solution
- Step 1: Write the proportion equation
1,138,226.68 : 1,707,564.19 = 339,490.54 : x - Step 2: Convert to fraction form
1,138,226.68/1,707,564.19 = 339,490.54/x - Step 3: Cross multiply
1,138,226.68x = 1,707,564.19 × 339,490.54 - Step 4: Simplify right side
1,138,226.68x = 579,701,890,870.04 - Step 5: Solve for x
x = 579,701,890,870.04/1,138,226.68 - Step 6: Final answer
x = 509,302.67
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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.