Finding the Fourth Proportional to 1,232,497.12, 1,700,841.36 and 688,682.56
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Solution
The fourth proportional to 1,232,497.12, 1,700,841.36 and 688,682.56 is: 950,379.33
Step by Step Solution
- Step 1: Write the proportion equation
1,232,497.12 : 1,700,841.36 = 688,682.56 : x - Step 2: Convert to fraction form
1,232,497.12/1,700,841.36 = 688,682.56/x - Step 3: Cross multiply
1,232,497.12x = 1,700,841.36 × 688,682.56 - Step 4: Simplify right side
1,232,497.12x = 1,171,339,781,958.68 - Step 5: Solve for x
x = 1,171,339,781,958.68/1,232,497.12 - Step 6: Final answer
x = 950,379.33
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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.