Finding the Fourth Proportional to 1,257,204.48, 1,734,942.18 and 684,248.76
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Solution
The fourth proportional to 1,257,204.48, 1,734,942.18 and 684,248.76 is: 944,263.29
Step by Step Solution
- Step 1: Write the proportion equation
1,257,204.48 : 1,734,942.18 = 684,248.76 : x - Step 2: Convert to fraction form
1,257,204.48/1,734,942.18 = 684,248.76/x - Step 3: Cross multiply
1,257,204.48x = 1,734,942.18 × 684,248.76 - Step 4: Simplify right side
1,257,204.48x = 1,187,132,035,336.70 - Step 5: Solve for x
x = 1,187,132,035,336.70/1,257,204.48 - Step 6: Final answer
x = 944,263.29
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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.