Finding the Fourth Proportional to 1,249,900.24, 1,724,861.82 and 676,940.44
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Solution
The fourth proportional to 1,249,900.24, 1,724,861.82 and 676,940.44 is: 934,177.53
Step by Step Solution
- Step 1: Write the proportion equation
1,249,900.24 : 1,724,861.82 = 676,940.44 : x - Step 2: Convert to fraction form
1,249,900.24/1,724,861.82 = 676,940.44/x - Step 3: Cross multiply
1,249,900.24x = 1,724,861.82 × 676,940.44 - Step 4: Simplify right side
1,249,900.24x = 1,167,628,719,370.00 - Step 5: Solve for x
x = 1,167,628,719,370.00/1,249,900.24 - Step 6: Final answer
x = 934,177.53
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1.5x scale
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.