Finding the Fourth Proportional to 1,132,963.22, 1,563,509.21 and 616,731.99
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Solution
The fourth proportional to 1,132,963.22, 1,563,509.21 and 616,731.99 is: 851,101.02
Step by Step Solution
- Step 1: Write the proportion equation
1,132,963.22 : 1,563,509.21 = 616,731.99 : x - Step 2: Convert to fraction form
1,132,963.22/1,563,509.21 = 616,731.99/x - Step 3: Cross multiply
1,132,963.22x = 1,563,509.21 × 616,731.99 - Step 4: Simplify right side
1,132,963.22x = 964,266,143,382.97 - Step 5: Solve for x
x = 964,266,143,382.97/1,132,963.22 - Step 6: Final answer
x = 851,101.02
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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.