Finding the Fourth Proportional to 1,036,321.75, 1,553,814.64 and 437,122.63
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Solution
The fourth proportional to 1,036,321.75, 1,553,814.64 and 437,122.63 is: 655,402.19
Step by Step Solution
- Step 1: Write the proportion equation
1,036,321.75 : 1,553,814.64 = 437,122.63 : x - Step 2: Convert to fraction form
1,036,321.75/1,553,814.64 = 437,122.63/x - Step 3: Cross multiply
1,036,321.75x = 1,553,814.64 × 437,122.63 - Step 4: Simplify right side
1,036,321.75x = 679,207,541,969.30 - Step 5: Solve for x
x = 679,207,541,969.30/1,036,321.75 - Step 6: Final answer
x = 655,402.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.