Finding the Fourth Proportional to 1,012,245.88, 1,396,902.14 and 553,366
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Solution
The fourth proportional to 1,012,245.88, 1,396,902.14 and 553,366 is: 763,646.62
Step by Step Solution
- Step 1: Write the proportion equation
1,012,245.88 : 1,396,902.14 = 553,366 : x - Step 2: Convert to fraction form
1,012,245.88/1,396,902.14 = 553,366/x - Step 3: Cross multiply
1,012,245.88x = 1,396,902.14 × 553,366 - Step 4: Simplify right side
1,012,245.88x = 772,998,149,603.24 - Step 5: Solve for x
x = 772,998,149,603.24/1,012,245.88 - Step 6: Final answer
x = 763,646.62
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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.