Finding the Fourth Proportional to 1,197,516.18, 1,652,938.65 and 738,773.49
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Solution
The fourth proportional to 1,197,516.18, 1,652,938.65 and 738,773.49 is: 1,019,733.41
Step by Step Solution
- Step 1: Write the proportion equation
1,197,516.18 : 1,652,938.65 = 738,773.49 : x - Step 2: Convert to fraction form
1,197,516.18/1,652,938.65 = 738,773.49/x - Step 3: Cross multiply
1,197,516.18x = 1,652,938.65 × 738,773.49 - Step 4: Simplify right side
1,197,516.18x = 1,221,147,255,216.39 - Step 5: Solve for x
x = 1,221,147,255,216.39/1,197,516.18 - Step 6: Final answer
x = 1,019,733.41
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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.