Finding the Fourth Proportional to 1,107,616.74, 1,528,512.47 and 598,319.12
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Solution
The fourth proportional to 1,107,616.74, 1,528,512.47 and 598,319.12 is: 825,681.13
Step by Step Solution
- Step 1: Write the proportion equation
1,107,616.74 : 1,528,512.47 = 598,319.12 : x - Step 2: Convert to fraction form
1,107,616.74/1,528,512.47 = 598,319.12/x - Step 3: Cross multiply
1,107,616.74x = 1,528,512.47 × 598,319.12 - Step 4: Simplify right side
1,107,616.74x = 914,538,235,959.43 - Step 5: Solve for x
x = 914,538,235,959.43/1,107,616.74 - Step 6: Final answer
x = 825,681.13
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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.