Finding the Fourth Proportional to 1,368,725.73, 1,888,853.74 and 756,919.65
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Solution
The fourth proportional to 1,368,725.73, 1,888,853.74 and 756,919.65 is: 1,044,555.88
Step by Step Solution
- Step 1: Write the proportion equation
1,368,725.73 : 1,888,853.74 = 756,919.65 : x - Step 2: Convert to fraction form
1,368,725.73/1,888,853.74 = 756,919.65/x - Step 3: Cross multiply
1,368,725.73x = 1,888,853.74 × 756,919.65 - Step 4: Simplify right side
1,368,725.73x = 1,429,710,509,889.69 - Step 5: Solve for x
x = 1,429,710,509,889.69/1,368,725.73 - Step 6: Final answer
x = 1,044,555.88
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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.