Finding the Fourth Proportional to 1,133,108.70, 1,699,663.05 and 876,245.55
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Solution
The fourth proportional to 1,133,108.70, 1,699,663.05 and 876,245.55 is: 1,314,368.33
Step by Step Solution
- Step 1: Write the proportion equation
1,133,108.70 : 1,699,663.05 = 876,245.55 : x - Step 2: Convert to fraction form
1,133,108.70/1,699,663.05 = 876,245.55/x - Step 3: Cross multiply
1,133,108.70x = 1,699,663.05 × 876,245.55 - Step 4: Simplify right side
1,133,108.70x = 1,489,322,184,061.93 - Step 5: Solve for x
x = 1,489,322,184,061.93/1,133,108.70 - Step 6: Final answer
x = 1,314,368.33
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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.