Finding the Fourth Proportional to 1,091,125.40, 1,636,979.70 and 973,610.60
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Solution
The fourth proportional to 1,091,125.40, 1,636,979.70 and 973,610.60 is: 1,460,676.09
Step by Step Solution
- Step 1: Write the proportion equation
1,091,125.40 : 1,636,979.70 = 973,610.60 : x - Step 2: Convert to fraction form
1,091,125.40/1,636,979.70 = 973,610.60/x - Step 3: Cross multiply
1,091,125.40x = 1,636,979.70 × 973,610.60 - Step 4: Simplify right side
1,091,125.40x = 1,593,780,787,904.82 - Step 5: Solve for x
x = 1,593,780,787,904.82/1,091,125.40 - Step 6: Final answer
x = 1,460,676.09
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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.