Finding the Fourth Proportional to 1,036,660.08, 1,554,990.12 and 859,513.08
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Solution
The fourth proportional to 1,036,660.08, 1,554,990.12 and 859,513.08 is: 1,289,269.62
Step by Step Solution
- Step 1: Write the proportion equation
1,036,660.08 : 1,554,990.12 = 859,513.08 : x - Step 2: Convert to fraction form
1,036,660.08/1,554,990.12 = 859,513.08/x - Step 3: Cross multiply
1,036,660.08x = 1,554,990.12 × 859,513.08 - Step 4: Simplify right side
1,036,660.08x = 1,336,534,347,410.77 - Step 5: Solve for x
x = 1,336,534,347,410.77/1,036,660.08 - Step 6: Final answer
x = 1,289,269.62
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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.