Finding the Fourth Proportional to 1,265,721.81, 1,746,696.09 and 692,761.98
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Solution
The fourth proportional to 1,265,721.81, 1,746,696.09 and 692,761.98 is: 956,011.53
Step by Step Solution
- Step 1: Write the proportion equation
1,265,721.81 : 1,746,696.09 = 692,761.98 : x - Step 2: Convert to fraction form
1,265,721.81/1,746,696.09 = 692,761.98/x - Step 3: Cross multiply
1,265,721.81x = 1,746,696.09 × 692,761.98 - Step 4: Simplify right side
1,265,721.81x = 1,210,044,641,766.66 - Step 5: Solve for x
x = 1,210,044,641,766.66/1,265,721.81 - Step 6: Final answer
x = 956,011.53
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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.