Finding the Fourth Proportional to 1,368,451.94, 1,888,430.36 and 756,588.87
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Solution
The fourth proportional to 1,368,451.94, 1,888,430.36 and 756,588.87 is: 1,044,074.22
Step by Step Solution
- Step 1: Write the proportion equation
1,368,451.94 : 1,888,430.36 = 756,588.87 : x - Step 2: Convert to fraction form
1,368,451.94/1,888,430.36 = 756,588.87/x - Step 3: Cross multiply
1,368,451.94x = 1,888,430.36 × 756,588.87 - Step 4: Simplify right side
1,368,451.94x = 1,428,765,388,363.15 - Step 5: Solve for x
x = 1,428,765,388,363.15/1,368,451.94 - Step 6: Final answer
x = 1,044,074.22
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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.