Finding the Fourth Proportional to 1,119,974.32, 1,545,566.12 and 610,676.70
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Solution
The fourth proportional to 1,119,974.32, 1,545,566.12 and 610,676.70 is: 842,734.70
Step by Step Solution
- Step 1: Write the proportion equation
1,119,974.32 : 1,545,566.12 = 610,676.70 : x - Step 2: Convert to fraction form
1,119,974.32/1,545,566.12 = 610,676.70/x - Step 3: Cross multiply
1,119,974.32x = 1,545,566.12 × 610,676.70 - Step 4: Simplify right side
1,119,974.32x = 943,841,217,793.40 - Step 5: Solve for x
x = 943,841,217,793.40/1,119,974.32 - Step 6: Final answer
x = 842,734.70
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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.