Finding the Fourth Proportional to 1,216,655.46, 1,678,995.41 and 672,828.08
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Solution
The fourth proportional to 1,216,655.46, 1,678,995.41 and 672,828.08 is: 928,508.75
Step by Step Solution
- Step 1: Write the proportion equation
1,216,655.46 : 1,678,995.41 = 672,828.08 : x - Step 2: Convert to fraction form
1,216,655.46/1,678,995.41 = 672,828.08/x - Step 3: Cross multiply
1,216,655.46x = 1,678,995.41 × 672,828.08 - Step 4: Simplify right side
1,216,655.46x = 1,129,675,246,280.00 - Step 5: Solve for x
x = 1,129,675,246,280.00/1,216,655.46 - Step 6: Final answer
x = 928,508.75
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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.