Finding the Fourth Proportional to 1,044,186.40, 1,562,780.40 and 918,215.20
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Solution
The fourth proportional to 1,044,186.40, 1,562,780.40 and 918,215.20 is: 1,374,245.75
Step by Step Solution
- Step 1: Write the proportion equation
1,044,186.40 : 1,562,780.40 = 918,215.20 : x - Step 2: Convert to fraction form
1,044,186.40/1,562,780.40 = 918,215.20/x - Step 3: Cross multiply
1,044,186.40x = 1,562,780.40 × 918,215.20 - Step 4: Simplify right side
1,044,186.40x = 1,434,968,717,542.08 - Step 5: Solve for x
x = 1,434,968,717,542.08/1,044,186.40 - Step 6: Final answer
x = 1,374,245.75
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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.