Finding the Fourth Proportional to 1,036,372.96, 1,430,156.90 and 577,463.80
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Solution
The fourth proportional to 1,036,372.96, 1,430,156.90 and 577,463.80 is: 796,878.99
Step by Step Solution
- Step 1: Write the proportion equation
1,036,372.96 : 1,430,156.90 = 577,463.80 : x - Step 2: Convert to fraction form
1,036,372.96/1,430,156.90 = 577,463.80/x - Step 3: Cross multiply
1,036,372.96x = 1,430,156.90 × 577,463.80 - Step 4: Simplify right side
1,036,372.96x = 825,863,838,070.22 - Step 5: Solve for x
x = 825,863,838,070.22/1,036,372.96 - Step 6: Final answer
x = 796,878.99
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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.