Finding the Fourth Proportional to 1,014,282.05, 1,399,820.99 and 646,772.72
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Solution
The fourth proportional to 1,014,282.05, 1,399,820.99 and 646,772.72 is: 892,617.61
Step by Step Solution
- Step 1: Write the proportion equation
1,014,282.05 : 1,399,820.99 = 646,772.72 : x - Step 2: Convert to fraction form
1,014,282.05/1,399,820.99 = 646,772.72/x - Step 3: Cross multiply
1,014,282.05x = 1,399,820.99 × 646,772.72 - Step 4: Simplify right side
1,014,282.05x = 905,366,018,982.42 - Step 5: Solve for x
x = 905,366,018,982.42/1,014,282.05 - Step 6: Final answer
x = 892,617.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.