Finding the Fourth Proportional to 1,174,269.70, 1,620,464.74 and 690,865.98
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Solution
The fourth proportional to 1,174,269.70, 1,620,464.74 and 690,865.98 is: 953,378.90
Step by Step Solution
- Step 1: Write the proportion equation
1,174,269.70 : 1,620,464.74 = 690,865.98 : x - Step 2: Convert to fraction form
1,174,269.70/1,620,464.74 = 690,865.98/x - Step 3: Cross multiply
1,174,269.70x = 1,620,464.74 × 690,865.98 - Step 4: Simplify right side
1,174,269.70x = 1,119,523,960,655.55 - Step 5: Solve for x
x = 1,119,523,960,655.55/1,174,269.70 - Step 6: Final answer
x = 953,378.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.