Finding the Fourth Proportional to 1,293,292.96, 1,785,484.56 and 864,299.68
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Solution
The fourth proportional to 1,293,292.96, 1,785,484.56 and 864,299.68 is: 1,193,228.28
Step by Step Solution
- Step 1: Write the proportion equation
1,293,292.96 : 1,785,484.56 = 864,299.68 : x - Step 2: Convert to fraction form
1,293,292.96/1,785,484.56 = 864,299.68/x - Step 3: Cross multiply
1,293,292.96x = 1,785,484.56 × 864,299.68 - Step 4: Simplify right side
1,293,292.96x = 1,543,193,733,852.94 - Step 5: Solve for x
x = 1,543,193,733,852.94/1,293,292.96 - Step 6: Final answer
x = 1,193,228.28
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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.