Finding the Fourth Proportional to 1,207,358.40, 1,811,037.60 and 577,502.40
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Solution
The fourth proportional to 1,207,358.40, 1,811,037.60 and 577,502.40 is: 866,253.60
Step by Step Solution
- Step 1: Write the proportion equation
1,207,358.40 : 1,811,037.60 = 577,502.40 : x - Step 2: Convert to fraction form
1,207,358.40/1,811,037.60 = 577,502.40/x - Step 3: Cross multiply
1,207,358.40x = 1,811,037.60 × 577,502.40 - Step 4: Simplify right side
1,207,358.40x = 1,045,878,560,490.24 - Step 5: Solve for x
x = 1,045,878,560,490.24/1,207,358.40 - Step 6: Final answer
x = 866,253.60
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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.