Finding the Fourth Proportional to 1,098,680.16, 1,516,332.24 and 793,743.12
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Solution
The fourth proportional to 1,098,680.16, 1,516,332.24 and 793,743.12 is: 1,095,476.49
Step by Step Solution
- Step 1: Write the proportion equation
1,098,680.16 : 1,516,332.24 = 793,743.12 : x - Step 2: Convert to fraction form
1,098,680.16/1,516,332.24 = 793,743.12/x - Step 3: Cross multiply
1,098,680.16x = 1,516,332.24 × 793,743.12 - Step 4: Simplify right side
1,098,680.16x = 1,203,578,283,134.19 - Step 5: Solve for x
x = 1,203,578,283,134.19/1,098,680.16 - Step 6: Final answer
x = 1,095,476.49
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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.