Finding the Fourth Proportional to 1,021,706.88, 1,532,028.18 and 381,484.11
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Solution
The fourth proportional to 1,021,706.88, 1,532,028.18 and 381,484.11 is: 572,027.47
Step by Step Solution
- Step 1: Write the proportion equation
1,021,706.88 : 1,532,028.18 = 381,484.11 : x - Step 2: Convert to fraction form
1,021,706.88/1,532,028.18 = 381,484.11/x - Step 3: Cross multiply
1,021,706.88x = 1,532,028.18 × 381,484.11 - Step 4: Simplify right side
1,021,706.88x = 584,444,401,259.63 - Step 5: Solve for x
x = 584,444,401,259.63/1,021,706.88 - Step 6: Final answer
x = 572,027.47
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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.