Finding the Fourth Proportional to 1,125,673.28, 1,553,475.36 and 616,420.16
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Solution
The fourth proportional to 1,125,673.28, 1,553,475.36 and 616,420.16 is: 850,685.14
Step by Step Solution
- Step 1: Write the proportion equation
1,125,673.28 : 1,553,475.36 = 616,420.16 : x - Step 2: Convert to fraction form
1,125,673.28/1,553,475.36 = 616,420.16/x - Step 3: Cross multiply
1,125,673.28x = 1,553,475.36 × 616,420.16 - Step 4: Simplify right side
1,125,673.28x = 957,593,529,967.26 - Step 5: Solve for x
x = 957,593,529,967.26/1,125,673.28 - Step 6: Final answer
x = 850,685.14
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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.