Finding the Fourth Proportional to 1,299,859.85, 1,793,202.09 and 841,122.68
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Solution
The fourth proportional to 1,299,859.85, 1,793,202.09 and 841,122.68 is: 1,160,358.13
Step by Step Solution
- Step 1: Write the proportion equation
1,299,859.85 : 1,793,202.09 = 841,122.68 : x - Step 2: Convert to fraction form
1,299,859.85/1,793,202.09 = 841,122.68/x - Step 3: Cross multiply
1,299,859.85x = 1,793,202.09 × 841,122.68 - Step 4: Simplify right side
1,299,859.85x = 1,508,302,938,756.39 - Step 5: Solve for x
x = 1,508,302,938,756.39/1,299,859.85 - Step 6: Final answer
x = 1,160,358.13
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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.