Finding the Fourth Proportional to 1,368,724.83, 1,888,852.51 and 756,918.76
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Solution
The fourth proportional to 1,368,724.83, 1,888,852.51 and 756,918.76 is: 1,044,554.65
Step by Step Solution
- Step 1: Write the proportion equation
1,368,724.83 : 1,888,852.51 = 756,918.76 : x - Step 2: Convert to fraction form
1,368,724.83/1,888,852.51 = 756,918.76/x - Step 3: Cross multiply
1,368,724.83x = 1,888,852.51 × 756,918.76 - Step 4: Simplify right side
1,368,724.83x = 1,429,707,897,328.87 - Step 5: Solve for x
x = 1,429,707,897,328.87/1,368,724.83 - Step 6: Final answer
x = 1,044,554.65
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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.