Finding the Fourth Proportional to 1,272,919.08, 1,756,634.58 and 699,996.36
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Solution
The fourth proportional to 1,272,919.08, 1,756,634.58 and 699,996.36 is: 965,998.41
Step by Step Solution
- Step 1: Write the proportion equation
1,272,919.08 : 1,756,634.58 = 699,996.36 : x - Step 2: Convert to fraction form
1,272,919.08/1,756,634.58 = 699,996.36/x - Step 3: Cross multiply
1,272,919.08x = 1,756,634.58 × 699,996.36 - Step 4: Simplify right side
1,272,919.08x = 1,229,637,811,850.13 - Step 5: Solve for x
x = 1,229,637,811,850.13/1,272,919.08 - Step 6: Final answer
x = 965,998.41
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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.