Finding the Fourth Proportional to 1,204,282.40, 1,806,423.62 and 405,497.07
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Solution
The fourth proportional to 1,204,282.40, 1,806,423.62 and 405,497.07 is: 608,245.61
Step by Step Solution
- Step 1: Write the proportion equation
1,204,282.40 : 1,806,423.62 = 405,497.07 : x - Step 2: Convert to fraction form
1,204,282.40/1,806,423.62 = 405,497.07/x - Step 3: Cross multiply
1,204,282.40x = 1,806,423.62 × 405,497.07 - Step 4: Simplify right side
1,204,282.40x = 732,499,483,061.31 - Step 5: Solve for x
x = 732,499,483,061.31/1,204,282.40 - Step 6: Final answer
x = 608,245.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.