Finding the Fourth Proportional to 1,408,245.26, 1,943,378.97 and 763,665.28
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Solution
The fourth proportional to 1,408,245.26, 1,943,378.97 and 763,665.28 is: 1,053,858.37
Step by Step Solution
- Step 1: Write the proportion equation
1,408,245.26 : 1,943,378.97 = 763,665.28 : x - Step 2: Convert to fraction form
1,408,245.26/1,943,378.97 = 763,665.28/x - Step 3: Cross multiply
1,408,245.26x = 1,943,378.97 × 763,665.28 - Step 4: Simplify right side
1,408,245.26x = 1,484,091,045,271.16 - Step 5: Solve for x
x = 1,484,091,045,271.16/1,408,245.26 - Step 6: Final answer
x = 1,053,858.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.