Finding the Fourth Proportional to 1,205,335.36, 1,663,347.36 and 661,476.16
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Solution
The fourth proportional to 1,205,335.36, 1,663,347.36 and 661,476.16 is: 912,828.63
Step by Step Solution
- Step 1: Write the proportion equation
1,205,335.36 : 1,663,347.36 = 661,476.16 : x - Step 2: Convert to fraction form
1,205,335.36/1,663,347.36 = 661,476.16/x - Step 3: Cross multiply
1,205,335.36x = 1,663,347.36 × 661,476.16 - Step 4: Simplify right side
1,205,335.36x = 1,100,264,624,438.94 - Step 5: Solve for x
x = 1,100,264,624,438.94/1,205,335.36 - Step 6: Final answer
x = 912,828.63
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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.