Finding the Fourth Proportional to 1,140,625.80, 1,574,414.28 and 657,514.08
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Solution
The fourth proportional to 1,140,625.80, 1,574,414.28 and 657,514.08 is: 907,571.58
Step by Step Solution
- Step 1: Write the proportion equation
1,140,625.80 : 1,574,414.28 = 657,514.08 : x - Step 2: Convert to fraction form
1,140,625.80/1,574,414.28 = 657,514.08/x - Step 3: Cross multiply
1,140,625.80x = 1,574,414.28 × 657,514.08 - Step 4: Simplify right side
1,140,625.80x = 1,035,199,556,853.06 - Step 5: Solve for x
x = 1,035,199,556,853.06/1,140,625.80 - Step 6: Final answer
x = 907,571.58
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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.