Finding the Fourth Proportional to 1,036,661.08, 1,554,991.62 and 859,514.08
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Solution
The fourth proportional to 1,036,661.08, 1,554,991.62 and 859,514.08 is: 1,289,271.12
Step by Step Solution
- Step 1: Write the proportion equation
1,036,661.08 : 1,554,991.62 = 859,514.08 : x - Step 2: Convert to fraction form
1,036,661.08/1,554,991.62 = 859,514.08/x - Step 3: Cross multiply
1,036,661.08x = 1,554,991.62 × 859,514.08 - Step 4: Simplify right side
1,036,661.08x = 1,336,537,191,672.01 - Step 5: Solve for x
x = 1,336,537,191,672.01/1,036,661.08 - Step 6: Final answer
x = 1,289,271.12
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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.