Finding the Fourth Proportional to 1,125,995.84, 1,553,899.92 and 616,693.76
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Solution
The fourth proportional to 1,125,995.84, 1,553,899.92 and 616,693.76 is: 851,051.44
Step by Step Solution
- Step 1: Write the proportion equation
1,125,995.84 : 1,553,899.92 = 616,693.76 : x - Step 2: Convert to fraction form
1,125,995.84/1,553,899.92 = 616,693.76/x - Step 3: Cross multiply
1,125,995.84x = 1,553,899.92 × 616,693.76 - Step 4: Simplify right side
1,125,995.84x = 958,280,384,328.50 - Step 5: Solve for x
x = 958,280,384,328.50/1,125,995.84 - Step 6: Final answer
x = 851,051.44
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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.