Finding the Fourth Proportional to 1,199,514.48, 1,655,328.58 and 655,653.84
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Solution
The fourth proportional to 1,199,514.48, 1,655,328.58 and 655,653.84 is: 904,801.53
Step by Step Solution
- Step 1: Write the proportion equation
1,199,514.48 : 1,655,328.58 = 655,653.84 : x - Step 2: Convert to fraction form
1,199,514.48/1,655,328.58 = 655,653.84/x - Step 3: Cross multiply
1,199,514.48x = 1,655,328.58 × 655,653.84 - Step 4: Simplify right side
1,199,514.48x = 1,085,322,539,938.75 - Step 5: Solve for x
x = 1,085,322,539,938.75/1,199,514.48 - Step 6: Final answer
x = 904,801.53
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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.