Finding the Fourth Proportional to 1,124,428.88, 1,687,197.48 and 525,431.36
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Solution
The fourth proportional to 1,124,428.88, 1,687,197.48 and 525,431.36 is: 788,405.99
Step by Step Solution
- Step 1: Write the proportion equation
1,124,428.88 : 1,687,197.48 = 525,431.36 : x - Step 2: Convert to fraction form
1,124,428.88/1,687,197.48 = 525,431.36/x - Step 3: Cross multiply
1,124,428.88x = 1,687,197.48 × 525,431.36 - Step 4: Simplify right side
1,124,428.88x = 886,506,466,504.97 - Step 5: Solve for x
x = 886,506,466,504.97/1,124,428.88 - Step 6: Final answer
x = 788,405.99
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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.