Finding the Fourth Proportional to 1,368,795.71, 1,889,079.97 and 788,039.48
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Solution
The fourth proportional to 1,368,795.71, 1,889,079.97 and 788,039.48 is: 1,087,576.17
Step by Step Solution
- Step 1: Write the proportion equation
1,368,795.71 : 1,889,079.97 = 788,039.48 : x - Step 2: Convert to fraction form
1,368,795.71/1,889,079.97 = 788,039.48/x - Step 3: Cross multiply
1,368,795.71x = 1,889,079.97 × 788,039.48 - Step 4: Simplify right side
1,368,795.71x = 1,488,669,597,237.22 - Step 5: Solve for x
x = 1,488,669,597,237.22/1,368,795.71 - Step 6: Final answer
x = 1,087,576.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.