Finding the Fourth Proportional to 1,161,421.68, 1,739,329.26 and 698,468.31
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Solution
The fourth proportional to 1,161,421.68, 1,739,329.26 and 698,468.31 is: 1,046,016.61
Step by Step Solution
- Step 1: Write the proportion equation
1,161,421.68 : 1,739,329.26 = 698,468.31 : x - Step 2: Convert to fraction form
1,161,421.68/1,739,329.26 = 698,468.31/x - Step 3: Cross multiply
1,161,421.68x = 1,739,329.26 × 698,468.31 - Step 4: Simplify right side
1,161,421.68x = 1,214,866,368,765.75 - Step 5: Solve for x
x = 1,214,866,368,765.75/1,161,421.68 - Step 6: Final answer
x = 1,046,016.61
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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.