Finding the Fourth Proportional to 1,031,229.02, 1,423,074.60 and 572,316.96
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Solution
The fourth proportional to 1,031,229.02, 1,423,074.60 and 572,316.96 is: 789,785.50
Step by Step Solution
- Step 1: Write the proportion equation
1,031,229.02 : 1,423,074.60 = 572,316.96 : x - Step 2: Convert to fraction form
1,031,229.02/1,423,074.60 = 572,316.96/x - Step 3: Cross multiply
1,031,229.02x = 1,423,074.60 × 572,316.96 - Step 4: Simplify right side
1,031,229.02x = 814,449,728,925.22 - Step 5: Solve for x
x = 814,449,728,925.22/1,031,229.02 - Step 6: Final answer
x = 789,785.50
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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.