Finding the Fourth Proportional to 1,148,461.58, 1,584,876.99 and 639,284.24
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Solution
The fourth proportional to 1,148,461.58, 1,584,876.99 and 639,284.24 is: 882,212.25
Step by Step Solution
- Step 1: Write the proportion equation
1,148,461.58 : 1,584,876.99 = 639,284.24 : x - Step 2: Convert to fraction form
1,148,461.58/1,584,876.99 = 639,284.24/x - Step 3: Cross multiply
1,148,461.58x = 1,584,876.99 × 639,284.24 - Step 4: Simplify right side
1,148,461.58x = 1,013,186,878,849.22 - Step 5: Solve for x
x = 1,013,186,878,849.22/1,148,461.58 - Step 6: Final answer
x = 882,212.25
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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.