Finding the Fourth Proportional to 1,175,007.74, 1,621,514.79 and 739,713.08
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Solution
The fourth proportional to 1,175,007.74, 1,621,514.79 and 739,713.08 is: 1,020,806.64
Step by Step Solution
- Step 1: Write the proportion equation
1,175,007.74 : 1,621,514.79 = 739,713.08 : x - Step 2: Convert to fraction form
1,175,007.74/1,621,514.79 = 739,713.08/x - Step 3: Cross multiply
1,175,007.74x = 1,621,514.79 × 739,713.08 - Step 4: Simplify right side
1,175,007.74x = 1,199,455,699,576.45 - Step 5: Solve for x
x = 1,199,455,699,576.45/1,175,007.74 - Step 6: Final answer
x = 1,020,806.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.