Finding the Fourth Proportional to 1,368,628.02, 1,888,541.82 and 756,698.13
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Solution
The fourth proportional to 1,368,628.02, 1,888,541.82 and 756,698.13 is: 1,044,152.28
Step by Step Solution
- Step 1: Write the proportion equation
1,368,628.02 : 1,888,541.82 = 756,698.13 : x - Step 2: Convert to fraction form
1,368,628.02/1,888,541.82 = 756,698.13/x - Step 3: Cross multiply
1,368,628.02x = 1,888,541.82 × 756,698.13 - Step 4: Simplify right side
1,368,628.02x = 1,429,056,063,620.80 - Step 5: Solve for x
x = 1,429,056,063,620.80/1,368,628.02 - Step 6: Final answer
x = 1,044,152.28
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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.