Finding the Fourth Proportional to 1,246,285.96, 1,869,428.94 and 299,656.66
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Solution
The fourth proportional to 1,246,285.96, 1,869,428.94 and 299,656.66 is: 449,484.99
Step by Step Solution
- Step 1: Write the proportion equation
1,246,285.96 : 1,869,428.94 = 299,656.66 : x - Step 2: Convert to fraction form
1,246,285.96/1,869,428.94 = 299,656.66/x - Step 3: Cross multiply
1,246,285.96x = 1,869,428.94 × 299,656.66 - Step 4: Simplify right side
1,246,285.96x = 560,186,832,267.74 - Step 5: Solve for x
x = 560,186,832,267.74/1,246,285.96 - Step 6: Final answer
x = 449,484.99
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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.