Finding the Fourth Proportional to 1,228,460.08, 1,695,251.88 and 684,583.90
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Solution
The fourth proportional to 1,228,460.08, 1,695,251.88 and 684,583.90 is: 944,712.95
Step by Step Solution
- Step 1: Write the proportion equation
1,228,460.08 : 1,695,251.88 = 684,583.90 : x - Step 2: Convert to fraction form
1,228,460.08/1,695,251.88 = 684,583.90/x - Step 3: Cross multiply
1,228,460.08x = 1,695,251.88 × 684,583.90 - Step 4: Simplify right side
1,228,460.08x = 1,160,542,143,492.73 - Step 5: Solve for x
x = 1,160,542,143,492.73/1,228,460.08 - Step 6: Final answer
x = 944,712.95
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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.