Finding the Fourth Proportional to 1,359,090.65, 2,038,647.99 and 412,461.20
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Solution
The fourth proportional to 1,359,090.65, 2,038,647.99 and 412,461.20 is: 618,695.44
Step by Step Solution
- Step 1: Write the proportion equation
1,359,090.65 : 2,038,647.99 = 412,461.20 : x - Step 2: Convert to fraction form
1,359,090.65/2,038,647.99 = 412,461.20/x - Step 3: Cross multiply
1,359,090.65x = 2,038,647.99 × 412,461.20 - Step 4: Simplify right side
1,359,090.65x = 840,863,186,139.75 - Step 5: Solve for x
x = 840,863,186,139.75/1,359,090.65 - Step 6: Final answer
x = 618,695.44
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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.