Finding the Fourth Proportional to 1,408,262.94, 1,943,259.96 and 864,421.65
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Solution
The fourth proportional to 1,408,262.94, 1,943,259.96 and 864,421.65 is: 1,192,814.16
Step by Step Solution
- Step 1: Write the proportion equation
1,408,262.94 : 1,943,259.96 = 864,421.65 : x - Step 2: Convert to fraction form
1,408,262.94/1,943,259.96 = 864,421.65/x - Step 3: Cross multiply
1,408,262.94x = 1,943,259.96 × 864,421.65 - Step 4: Simplify right side
1,408,262.94x = 1,679,795,981,002.13 - Step 5: Solve for x
x = 1,679,795,981,002.13/1,408,262.94 - Step 6: Final answer
x = 1,192,814.16
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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.