Finding the Fourth Proportional to 1,216,656.46, 1,678,996.79 and 672,829.08
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Solution
The fourth proportional to 1,216,656.46, 1,678,996.79 and 672,829.08 is: 928,510.14
Step by Step Solution
- Step 1: Write the proportion equation
1,216,656.46 : 1,678,996.79 = 672,829.08 : x - Step 2: Convert to fraction form
1,216,656.46/1,678,996.79 = 672,829.08/x - Step 3: Cross multiply
1,216,656.46x = 1,678,996.79 × 672,829.08 - Step 4: Simplify right side
1,216,656.46x = 1,129,677,865,538.65 - Step 5: Solve for x
x = 1,129,677,865,538.65/1,216,656.46 - Step 6: Final answer
x = 928,510.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.