Finding the Fourth Proportional to 1,310,926.24, 1,809,112.20 and 737,987.20
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Solution
The fourth proportional to 1,310,926.24, 1,809,112.20 and 737,987.20 is: 1,018,441.47
Step by Step Solution
- Step 1: Write the proportion equation
1,310,926.24 : 1,809,112.20 = 737,987.20 : x - Step 2: Convert to fraction form
1,310,926.24/1,809,112.20 = 737,987.20/x - Step 3: Cross multiply
1,310,926.24x = 1,809,112.20 × 737,987.20 - Step 4: Simplify right side
1,310,926.24x = 1,335,101,646,963.84 - Step 5: Solve for x
x = 1,335,101,646,963.84/1,310,926.24 - Step 6: Final answer
x = 1,018,441.47
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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.