Finding the Fourth Proportional to 1,440,620.57, 2,160,297.69 and 766,541.63
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Solution
The fourth proportional to 1,440,620.57, 2,160,297.69 and 766,541.63 is: 1,149,475.54
Step by Step Solution
- Step 1: Write the proportion equation
1,440,620.57 : 2,160,297.69 = 766,541.63 : x - Step 2: Convert to fraction form
1,440,620.57/2,160,297.69 = 766,541.63/x - Step 3: Cross multiply
1,440,620.57x = 2,160,297.69 × 766,541.63 - Step 4: Simplify right side
1,440,620.57x = 1,655,958,112,577.83 - Step 5: Solve for x
x = 1,655,958,112,577.83/1,440,620.57 - Step 6: Final answer
x = 1,149,475.54
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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.