Finding the Fourth Proportional to 1,382,281.33, 1,907,557.08 and 770,472.87
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Solution
The fourth proportional to 1,382,281.33, 1,907,557.08 and 770,472.87 is: 1,063,257.49
Step by Step Solution
- Step 1: Write the proportion equation
1,382,281.33 : 1,907,557.08 = 770,472.87 : x - Step 2: Convert to fraction form
1,382,281.33/1,907,557.08 = 770,472.87/x - Step 3: Cross multiply
1,382,281.33x = 1,907,557.08 × 770,472.87 - Step 4: Simplify right side
1,382,281.33x = 1,469,720,974,264.06 - Step 5: Solve for x
x = 1,469,720,974,264.06/1,382,281.33 - Step 6: Final answer
x = 1,063,257.49
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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.