Finding the Fourth Proportional to 1,391,048.48, 2,087,347.84 and 751,339.36
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Solution
The fourth proportional to 1,391,048.48, 2,087,347.84 and 751,339.36 is: 1,127,427.70
Step by Step Solution
- Step 1: Write the proportion equation
1,391,048.48 : 2,087,347.84 = 751,339.36 : x - Step 2: Convert to fraction form
1,391,048.48/2,087,347.84 = 751,339.36/x - Step 3: Cross multiply
1,391,048.48x = 2,087,347.84 × 751,339.36 - Step 4: Simplify right side
1,391,048.48x = 1,568,306,590,202.98 - Step 5: Solve for x
x = 1,568,306,590,202.98/1,391,048.48 - Step 6: Final answer
x = 1,127,427.70
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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.