Finding the Fourth Proportional to 1,332,235.17, 1,838,439.05 and 759,459.87
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Solution
The fourth proportional to 1,332,235.17, 1,838,439.05 and 759,459.87 is: 1,048,028.69
Step by Step Solution
- Step 1: Write the proportion equation
1,332,235.17 : 1,838,439.05 = 759,459.87 : x - Step 2: Convert to fraction form
1,332,235.17/1,838,439.05 = 759,459.87/x - Step 3: Cross multiply
1,332,235.17x = 1,838,439.05 × 759,459.87 - Step 4: Simplify right side
1,332,235.17x = 1,396,220,678,118.62 - Step 5: Solve for x
x = 1,396,220,678,118.62/1,332,235.17 - Step 6: Final answer
x = 1,048,028.69
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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.