Finding the Fourth Proportional to 1,320,250.91, 1,821,935.36 and 747,286.07
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Solution
The fourth proportional to 1,320,250.91, 1,821,935.36 and 747,286.07 is: 1,031,248.61
Step by Step Solution
- Step 1: Write the proportion equation
1,320,250.91 : 1,821,935.36 = 747,286.07 : x - Step 2: Convert to fraction form
1,320,250.91/1,821,935.36 = 747,286.07/x - Step 3: Cross multiply
1,320,250.91x = 1,821,935.36 × 747,286.07 - Step 4: Simplify right side
1,320,250.91x = 1,361,506,907,726.97 - Step 5: Solve for x
x = 1,361,506,907,726.97/1,320,250.91 - Step 6: Final answer
x = 1,031,248.61
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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.