Finding the Fourth Proportional to 1,197,742.25, 1,652,784.99 and 681,358.74
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Solution
The fourth proportional to 1,197,742.25, 1,652,784.99 and 681,358.74 is: 940,218.57
Step by Step Solution
- Step 1: Write the proportion equation
1,197,742.25 : 1,652,784.99 = 681,358.74 : x - Step 2: Convert to fraction form
1,197,742.25/1,652,784.99 = 681,358.74/x - Step 3: Cross multiply
1,197,742.25x = 1,652,784.99 × 681,358.74 - Step 4: Simplify right side
1,197,742.25x = 1,126,139,495,722.22 - Step 5: Solve for x
x = 1,126,139,495,722.22/1,197,742.25 - Step 6: Final answer
x = 940,218.57
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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.