Finding the Fourth Proportional to 1,118,983.14, 1,679,249.88 and 444,995.37
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Solution
The fourth proportional to 1,118,983.14, 1,679,249.88 and 444,995.37 is: 667,801.32
Step by Step Solution
- Step 1: Write the proportion equation
1,118,983.14 : 1,679,249.88 = 444,995.37 : x - Step 2: Convert to fraction form
1,118,983.14/1,679,249.88 = 444,995.37/x - Step 3: Cross multiply
1,118,983.14x = 1,679,249.88 × 444,995.37 - Step 4: Simplify right side
1,118,983.14x = 747,258,421,673.06 - Step 5: Solve for x
x = 747,258,421,673.06/1,118,983.14 - Step 6: Final answer
x = 667,801.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.