Finding the Fourth Proportional to 1,142,241.15, 1,712,918.82 and 609,471.54
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Solution
The fourth proportional to 1,142,241.15, 1,712,918.82 and 609,471.54 is: 913,970.99
Step by Step Solution
- Step 1: Write the proportion equation
1,142,241.15 : 1,712,918.82 = 609,471.54 : x - Step 2: Convert to fraction form
1,142,241.15/1,712,918.82 = 609,471.54/x - Step 3: Cross multiply
1,142,241.15x = 1,712,918.82 × 609,471.54 - Step 4: Simplify right side
1,142,241.15x = 1,043,975,271,120.38 - Step 5: Solve for x
x = 1,043,975,271,120.38/1,142,241.15 - Step 6: Final answer
x = 913,970.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.