Finding the Fourth Proportional to 1,174,268.70, 1,620,463.37 and 690,864.98
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Solution
The fourth proportional to 1,174,268.70, 1,620,463.37 and 690,864.98 is: 953,377.52
Step by Step Solution
- Step 1: Write the proportion equation
1,174,268.70 : 1,620,463.37 = 690,864.98 : x - Step 2: Convert to fraction form
1,174,268.70/1,620,463.37 = 690,864.98/x - Step 3: Cross multiply
1,174,268.70x = 1,620,463.37 × 690,864.98 - Step 4: Simplify right side
1,174,268.70x = 1,119,521,382,149.14 - Step 5: Solve for x
x = 1,119,521,382,149.14/1,174,268.70 - Step 6: Final answer
x = 953,377.52
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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.