Finding the Fourth Proportional to 1,163,742.12, 1,745,542.26 and 556,961.76
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Solution
The fourth proportional to 1,163,742.12, 1,745,542.26 and 556,961.76 is: 835,408.70
Step by Step Solution
- Step 1: Write the proportion equation
1,163,742.12 : 1,745,542.26 = 556,961.76 : x - Step 2: Convert to fraction form
1,163,742.12/1,745,542.26 = 556,961.76/x - Step 3: Cross multiply
1,163,742.12x = 1,745,542.26 × 556,961.76 - Step 4: Simplify right side
1,163,742.12x = 972,200,289,283.98 - Step 5: Solve for x
x = 972,200,289,283.98/1,163,742.12 - Step 6: Final answer
x = 835,408.70
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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.