Finding the Fourth Proportional to 1,053,855.23, 1,453,931.17 and 691,480.26
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Solution
The fourth proportional to 1,053,855.23, 1,453,931.17 and 691,480.26 is: 953,987.49
Step by Step Solution
- Step 1: Write the proportion equation
1,053,855.23 : 1,453,931.17 = 691,480.26 : x - Step 2: Convert to fraction form
1,053,855.23/1,453,931.17 = 691,480.26/x - Step 3: Cross multiply
1,053,855.23x = 1,453,931.17 × 691,480.26 - Step 4: Simplify right side
1,053,855.23x = 1,005,364,701,725.00 - Step 5: Solve for x
x = 1,005,364,701,725.00/1,053,855.23 - Step 6: Final answer
x = 953,987.49
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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.