Finding the Fourth Proportional to 1,382,588.66, 1,908,085.92 and 762,515.09
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Solution
The fourth proportional to 1,382,588.66, 1,908,085.92 and 762,515.09 is: 1,052,333.46
Step by Step Solution
- Step 1: Write the proportion equation
1,382,588.66 : 1,908,085.92 = 762,515.09 : x - Step 2: Convert to fraction form
1,382,588.66/1,908,085.92 = 762,515.09/x - Step 3: Cross multiply
1,382,588.66x = 1,908,085.92 × 762,515.09 - Step 4: Simplify right side
1,382,588.66x = 1,454,944,297,476.10 - Step 5: Solve for x
x = 1,454,944,297,476.10/1,382,588.66 - Step 6: Final answer
x = 1,052,333.46
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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.