Finding the Fourth Proportional to 1,125,935.88, 1,553,790.98 and 609,689.68
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Solution
The fourth proportional to 1,125,935.88, 1,553,790.98 and 609,689.68 is: 841,371.47
Step by Step Solution
- Step 1: Write the proportion equation
1,125,935.88 : 1,553,790.98 = 609,689.68 : x - Step 2: Convert to fraction form
1,125,935.88/1,553,790.98 = 609,689.68/x - Step 3: Cross multiply
1,125,935.88x = 1,553,790.98 × 609,689.68 - Step 4: Simplify right side
1,125,935.88x = 947,330,325,383.09 - Step 5: Solve for x
x = 947,330,325,383.09/1,125,935.88 - Step 6: Final answer
x = 841,371.47
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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.