Finding the Fourth Proportional to 1,214,483.56, 1,676,135.08 and 705,185.92
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Solution
The fourth proportional to 1,214,483.56, 1,676,135.08 and 705,185.92 is: 973,242.37
Step by Step Solution
- Step 1: Write the proportion equation
1,214,483.56 : 1,676,135.08 = 705,185.92 : x - Step 2: Convert to fraction form
1,214,483.56/1,676,135.08 = 705,185.92/x - Step 3: Cross multiply
1,214,483.56x = 1,676,135.08 × 705,185.92 - Step 4: Simplify right side
1,214,483.56x = 1,181,986,858,434.07 - Step 5: Solve for x
x = 1,181,986,858,434.07/1,214,483.56 - Step 6: Final answer
x = 973,242.37
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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.