Finding the Fourth Proportional to 918,102.99, 1,372,926.65 and 873,313.23
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Solution
The fourth proportional to 918,102.99, 1,372,926.65 and 873,313.23 is: 1,305,948.26
Step by Step Solution
- Step 1: Write the proportion equation
918,102.99 : 1,372,926.65 = 873,313.23 : x - Step 2: Convert to fraction form
918,102.99/1,372,926.65 = 873,313.23/x - Step 3: Cross multiply
918,102.99x = 1,372,926.65 × 873,313.23 - Step 4: Simplify right side
918,102.99x = 1,198,995,002,898.01 - Step 5: Solve for x
x = 1,198,995,002,898.01/918,102.99 - Step 6: Final answer
x = 1,305,948.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.