Finding the Fourth Proportional to 1,131,888.35, 1,562,312.99 and 667,148.13
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Solution
The fourth proportional to 1,131,888.35, 1,562,312.99 and 667,148.13 is: 920,845.41
Step by Step Solution
- Step 1: Write the proportion equation
1,131,888.35 : 1,562,312.99 = 667,148.13 : x - Step 2: Convert to fraction form
1,131,888.35/1,562,312.99 = 667,148.13/x - Step 3: Cross multiply
1,131,888.35x = 1,562,312.99 × 667,148.13 - Step 4: Simplify right side
1,131,888.35x = 1,042,294,191,421.08 - Step 5: Solve for x
x = 1,042,294,191,421.08/1,131,888.35 - Step 6: Final answer
x = 920,845.41
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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.