Finding the Fourth Proportional to 1,121,210.06, 1,682,060.34 and 363,128.13
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Solution
The fourth proportional to 1,121,210.06, 1,682,060.34 and 363,128.13 is: 544,771.63
Step by Step Solution
- Step 1: Write the proportion equation
1,121,210.06 : 1,682,060.34 = 363,128.13 : x - Step 2: Convert to fraction form
1,121,210.06/1,682,060.34 = 363,128.13/x - Step 3: Cross multiply
1,121,210.06x = 1,682,060.34 × 363,128.13 - Step 4: Simplify right side
1,121,210.06x = 610,803,425,811.36 - Step 5: Solve for x
x = 610,803,425,811.36/1,121,210.06 - Step 6: Final answer
x = 544,771.63
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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.