Finding the Fourth Proportional to 1,358,638.84, 1,874,953.74 and 746,786.98
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Solution
The fourth proportional to 1,358,638.84, 1,874,953.74 and 746,786.98 is: 1,030,583.70
Step by Step Solution
- Step 1: Write the proportion equation
1,358,638.84 : 1,874,953.74 = 746,786.98 : x - Step 2: Convert to fraction form
1,358,638.84/1,874,953.74 = 746,786.98/x - Step 3: Cross multiply
1,358,638.84x = 1,874,953.74 × 746,786.98 - Step 4: Simplify right side
1,358,638.84x = 1,400,191,041,134.31 - Step 5: Solve for x
x = 1,400,191,041,134.31/1,358,638.84 - Step 6: Final answer
x = 1,030,583.70
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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.