Finding the Fourth Proportional to 1,043,497.20, 1,439,357.04 and 716,652.48
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Solution
The fourth proportional to 1,043,497.20, 1,439,357.04 and 716,652.48 is: 988,520.90
Step by Step Solution
- Step 1: Write the proportion equation
1,043,497.20 : 1,439,357.04 = 716,652.48 : x - Step 2: Convert to fraction form
1,043,497.20/1,439,357.04 = 716,652.48/x - Step 3: Cross multiply
1,043,497.20x = 1,439,357.04 × 716,652.48 - Step 4: Simplify right side
1,043,497.20x = 1,031,518,792,321.46 - Step 5: Solve for x
x = 1,031,518,792,321.46/1,043,497.20 - Step 6: Final answer
x = 988,520.90
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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.