Finding the Fourth Proportional to 1,457,530.40, 2,185,258.80 and 558,624.80
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Solution
The fourth proportional to 1,457,530.40, 2,185,258.80 and 558,624.80 is: 837,539.83
Step by Step Solution
- Step 1: Write the proportion equation
1,457,530.40 : 2,185,258.80 = 558,624.80 : x - Step 2: Convert to fraction form
1,457,530.40/2,185,258.80 = 558,624.80/x - Step 3: Cross multiply
1,457,530.40x = 2,185,258.80 × 558,624.80 - Step 4: Simplify right side
1,457,530.40x = 1,220,739,760,098.24 - Step 5: Solve for x
x = 1,220,739,760,098.24/1,457,530.40 - Step 6: Final answer
x = 837,539.83
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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.