Finding the Fourth Proportional to 1,031,938.63, 1,548,031.05 and 499,076.76
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Solution
The fourth proportional to 1,031,938.63, 1,548,031.05 and 499,076.76 is: 748,674.68
Step by Step Solution
- Step 1: Write the proportion equation
1,031,938.63 : 1,548,031.05 = 499,076.76 : x - Step 2: Convert to fraction form
1,031,938.63/1,548,031.05 = 499,076.76/x - Step 3: Cross multiply
1,031,938.63x = 1,548,031.05 × 499,076.76 - Step 4: Simplify right side
1,031,938.63x = 772,586,320,813.40 - Step 5: Solve for x
x = 772,586,320,813.40/1,031,938.63 - Step 6: Final answer
x = 748,674.68
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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.