Finding the Fourth Proportional to 1,433,193.71, 1,977,748.02 and 779,822.42
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Solution
The fourth proportional to 1,433,193.71, 1,977,748.02 and 779,822.42 is: 1,076,122.68
Step by Step Solution
- Step 1: Write the proportion equation
1,433,193.71 : 1,977,748.02 = 779,822.42 : x - Step 2: Convert to fraction form
1,433,193.71/1,977,748.02 = 779,822.42/x - Step 3: Cross multiply
1,433,193.71x = 1,977,748.02 × 779,822.42 - Step 4: Simplify right side
1,433,193.71x = 1,542,292,252,050.98 - Step 5: Solve for x
x = 1,542,292,252,050.98/1,433,193.71 - Step 6: Final answer
x = 1,076,122.68
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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.