Finding the Fourth Proportional to 1,199,252.50, 1,798,681.71 and 430,591.09
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Solution
The fourth proportional to 1,199,252.50, 1,798,681.71 and 430,591.09 is: 645,815.89
Step by Step Solution
- Step 1: Write the proportion equation
1,199,252.50 : 1,798,681.71 = 430,591.09 : x - Step 2: Convert to fraction form
1,199,252.50/1,798,681.71 = 430,591.09/x - Step 3: Cross multiply
1,199,252.50x = 1,798,681.71 × 430,591.09 - Step 4: Simplify right side
1,199,252.50x = 774,496,318,562.50 - Step 5: Solve for x
x = 774,496,318,562.50/1,199,252.50 - Step 6: Final answer
x = 645,815.89
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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.