Finding the Fourth Proportional to 1,375,712.44, 1,898,487.12 and 763,866.52
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Solution
The fourth proportional to 1,375,712.44, 1,898,487.12 and 763,866.52 is: 1,054,137.99
Step by Step Solution
- Step 1: Write the proportion equation
1,375,712.44 : 1,898,487.12 = 763,866.52 : x - Step 2: Convert to fraction form
1,375,712.44/1,898,487.12 = 763,866.52/x - Step 3: Cross multiply
1,375,712.44x = 1,898,487.12 × 763,866.52 - Step 4: Simplify right side
1,375,712.44x = 1,450,190,749,619.22 - Step 5: Solve for x
x = 1,450,190,749,619.22/1,375,712.44 - Step 6: Final answer
x = 1,054,137.99
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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.