Finding the Fourth Proportional to 1,126,929.12, 1,690,393.68 and 682,764
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Solution
The fourth proportional to 1,126,929.12, 1,690,393.68 and 682,764 is: 1,024,146.00
Step by Step Solution
- Step 1: Write the proportion equation
1,126,929.12 : 1,690,393.68 = 682,764 : x - Step 2: Convert to fraction form
1,126,929.12/1,690,393.68 = 682,764/x - Step 3: Cross multiply
1,126,929.12x = 1,690,393.68 × 682,764 - Step 4: Simplify right side
1,126,929.12x = 1,154,139,950,531.52 - Step 5: Solve for x
x = 1,154,139,950,531.52/1,126,929.12 - Step 6: Final answer
x = 1,024,146.00
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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.