Finding the Fourth Proportional to 1,201,424.43, 1,657,959.76 and 650,139.75
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Solution
The fourth proportional to 1,201,424.43, 1,657,959.76 and 650,139.75 is: 897,189.63
Step by Step Solution
- Step 1: Write the proportion equation
1,201,424.43 : 1,657,959.76 = 650,139.75 : x - Step 2: Convert to fraction form
1,201,424.43/1,657,959.76 = 650,139.75/x - Step 3: Cross multiply
1,201,424.43x = 1,657,959.76 × 650,139.75 - Step 4: Simplify right side
1,201,424.43x = 1,077,905,541,032.10 - Step 5: Solve for x
x = 1,077,905,541,032.10/1,201,424.43 - Step 6: Final answer
x = 897,189.63
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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.