Finding the Fourth Proportional to 1,368,438.44, 1,888,368.86 and 756,555.46
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Solution
The fourth proportional to 1,368,438.44, 1,888,368.86 and 756,555.46 is: 1,044,004.42
Step by Step Solution
- Step 1: Write the proportion equation
1,368,438.44 : 1,888,368.86 = 756,555.46 : x - Step 2: Convert to fraction form
1,368,438.44/1,888,368.86 = 756,555.46/x - Step 3: Cross multiply
1,368,438.44x = 1,888,368.86 × 756,555.46 - Step 4: Simplify right side
1,368,438.44x = 1,428,655,768,697.44 - Step 5: Solve for x
x = 1,428,655,768,697.44/1,368,438.44 - Step 6: Final answer
x = 1,044,004.42
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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.