Finding the Fourth Proportional to 1,355,808.96, 1,870,953.84 and 743,946.84
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Solution
The fourth proportional to 1,355,808.96, 1,870,953.84 and 743,946.84 is: 1,026,612.33
Step by Step Solution
- Step 1: Write the proportion equation
1,355,808.96 : 1,870,953.84 = 743,946.84 : x - Step 2: Convert to fraction form
1,355,808.96/1,870,953.84 = 743,946.84/x - Step 3: Cross multiply
1,355,808.96x = 1,870,953.84 × 743,946.84 - Step 4: Simplify right side
1,355,808.96x = 1,391,890,197,053.87 - Step 5: Solve for x
x = 1,391,890,197,053.87/1,355,808.96 - Step 6: Final answer
x = 1,026,612.33
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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.