Finding the Fourth Proportional to 1,498,502.70, 2,247,754.05 and 858,149.10
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Solution
The fourth proportional to 1,498,502.70, 2,247,754.05 and 858,149.10 is: 1,287,223.65
Step by Step Solution
- Step 1: Write the proportion equation
1,498,502.70 : 2,247,754.05 = 858,149.10 : x - Step 2: Convert to fraction form
1,498,502.70/2,247,754.05 = 858,149.10/x - Step 3: Cross multiply
1,498,502.70x = 2,247,754.05 × 858,149.10 - Step 4: Simplify right side
1,498,502.70x = 1,928,908,115,028.85 - Step 5: Solve for x
x = 1,928,908,115,028.85/1,498,502.70 - Step 6: Final answer
x = 1,287,223.65
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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.