Finding the Fourth Proportional to 1,238,886.19, 1,857,935.62 and 842,076.91
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Solution
The fourth proportional to 1,238,886.19, 1,857,935.62 and 842,076.91 is: 1,262,847.79
Step by Step Solution
- Step 1: Write the proportion equation
1,238,886.19 : 1,857,935.62 = 842,076.91 : x - Step 2: Convert to fraction form
1,238,886.19/1,857,935.62 = 842,076.91/x - Step 3: Cross multiply
1,238,886.19x = 1,857,935.62 × 842,076.91 - Step 4: Simplify right side
1,238,886.19x = 1,564,524,685,868.53 - Step 5: Solve for x
x = 1,564,524,685,868.53/1,238,886.19 - Step 6: Final answer
x = 1,262,847.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.