Finding the Fourth Proportional to 821,198.41, 1,125,023 and 790,496.06
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Solution
The fourth proportional to 821,198.41, 1,125,023 and 790,496.06 is: 1,082,961.48
Step by Step Solution
- Step 1: Write the proportion equation
821,198.41 : 1,125,023 = 790,496.06 : x - Step 2: Convert to fraction form
821,198.41/1,125,023 = 790,496.06/x - Step 3: Cross multiply
821,198.41x = 1,125,023 × 790,496.06 - Step 4: Simplify right side
821,198.41x = 889,326,248,909.38 - Step 5: Solve for x
x = 889,326,248,909.38/821,198.41 - Step 6: Final answer
x = 1,082,961.48
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.