Finding the Fourth Proportional to 1,135,517.81, 1,567,257.76 and 652,349.36
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Solution
The fourth proportional to 1,135,517.81, 1,567,257.76 and 652,349.36 is: 900,381.83
Step by Step Solution
- Step 1: Write the proportion equation
1,135,517.81 : 1,567,257.76 = 652,349.36 : x - Step 2: Convert to fraction form
1,135,517.81/1,567,257.76 = 652,349.36/x - Step 3: Cross multiply
1,135,517.81x = 1,567,257.76 × 652,349.36 - Step 4: Simplify right side
1,135,517.81x = 1,022,399,601,424.61 - Step 5: Solve for x
x = 1,022,399,601,424.61/1,135,517.81 - Step 6: Final answer
x = 900,381.83
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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.