Finding the Fourth Proportional to 1,232,825.68, 1,701,305.74 and 688,970.56
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Solution
The fourth proportional to 1,232,825.68, 1,701,305.74 and 688,970.56 is: 950,782.89
Step by Step Solution
- Step 1: Write the proportion equation
1,232,825.68 : 1,701,305.74 = 688,970.56 : x - Step 2: Convert to fraction form
1,232,825.68/1,701,305.74 = 688,970.56/x - Step 3: Cross multiply
1,232,825.68x = 1,701,305.74 × 688,970.56 - Step 4: Simplify right side
1,232,825.68x = 1,172,149,568,419.01 - Step 5: Solve for x
x = 1,172,149,568,419.01/1,232,825.68 - Step 6: Final answer
x = 950,782.89
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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.