Finding the Fourth Proportional to 1,123,600.84, 1,685,569.08 and 413,574.88
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Solution
The fourth proportional to 1,123,600.84, 1,685,569.08 and 413,574.88 is: 620,424.09
Step by Step Solution
- Step 1: Write the proportion equation
1,123,600.84 : 1,685,569.08 = 413,574.88 : x - Step 2: Convert to fraction form
1,123,600.84/1,685,569.08 = 413,574.88/x - Step 3: Cross multiply
1,123,600.84x = 1,685,569.08 × 413,574.88 - Step 4: Simplify right side
1,123,600.84x = 697,109,029,992.71 - Step 5: Solve for x
x = 697,109,029,992.71/1,123,600.84 - Step 6: Final answer
x = 620,424.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.