Finding the Fourth Proportional to 1,149,647.05, 1,586,437.03 and 690,488.79
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Solution
The fourth proportional to 1,149,647.05, 1,586,437.03 and 690,488.79 is: 952,828.95
Step by Step Solution
- Step 1: Write the proportion equation
1,149,647.05 : 1,586,437.03 = 690,488.79 : x - Step 2: Convert to fraction form
1,149,647.05/1,586,437.03 = 690,488.79/x - Step 3: Cross multiply
1,149,647.05x = 1,586,437.03 × 690,488.79 - Step 4: Simplify right side
1,149,647.05x = 1,095,416,983,529.67 - Step 5: Solve for x
x = 1,095,416,983,529.67/1,149,647.05 - Step 6: Final answer
x = 952,828.95
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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.