Finding the Fourth Proportional to 1,059,847.76, 1,590,297.46 and 420,137.97
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Solution
The fourth proportional to 1,059,847.76, 1,590,297.46 and 420,137.97 is: 630,415.40
Step by Step Solution
- Step 1: Write the proportion equation
1,059,847.76 : 1,590,297.46 = 420,137.97 : x - Step 2: Convert to fraction form
1,059,847.76/1,590,297.46 = 420,137.97/x - Step 3: Cross multiply
1,059,847.76x = 1,590,297.46 × 420,137.97 - Step 4: Simplify right side
1,059,847.76x = 668,144,345,490.21 - Step 5: Solve for x
x = 668,144,345,490.21/1,059,847.76 - Step 6: Final answer
x = 630,415.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.