Finding the Fourth Proportional to 1,332,115.70, 1,998,192.45 and 433,562.18
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Solution
The fourth proportional to 1,332,115.70, 1,998,192.45 and 433,562.18 is: 650,349.42
Step by Step Solution
- Step 1: Write the proportion equation
1,332,115.70 : 1,998,192.45 = 433,562.18 : x - Step 2: Convert to fraction form
1,332,115.70/1,998,192.45 = 433,562.18/x - Step 3: Cross multiply
1,332,115.70x = 1,998,192.45 × 433,562.18 - Step 4: Simplify right side
1,332,115.70x = 866,340,674,681.54 - Step 5: Solve for x
x = 866,340,674,681.54/1,332,115.70 - Step 6: Final answer
x = 650,349.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.