Finding the Fourth Proportional to 1,281,257.84, 1,922,596.14 and 767,660.88
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Solution
The fourth proportional to 1,281,257.84, 1,922,596.14 and 767,660.88 is: 1,151,916.34
Step by Step Solution
- Step 1: Write the proportion equation
1,281,257.84 : 1,922,596.14 = 767,660.88 : x - Step 2: Convert to fraction form
1,281,257.84/1,922,596.14 = 767,660.88/x - Step 3: Cross multiply
1,281,257.84x = 1,922,596.14 × 767,660.88 - Step 4: Simplify right side
1,281,257.84x = 1,475,901,844,717.00 - Step 5: Solve for x
x = 1,475,901,844,717.00/1,281,257.84 - Step 6: Final answer
x = 1,151,916.34
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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.