Finding the Fourth Proportional to 1,252,837.99, 1,728,917.55 and 679,878.16
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Solution
The fourth proportional to 1,252,837.99, 1,728,917.55 and 679,878.16 is: 938,232.47
Step by Step Solution
- Step 1: Write the proportion equation
1,252,837.99 : 1,728,917.55 = 679,878.16 : x - Step 2: Convert to fraction form
1,252,837.99/1,728,917.55 = 679,878.16/x - Step 3: Cross multiply
1,252,837.99x = 1,728,917.55 × 679,878.16 - Step 4: Simplify right side
1,252,837.99x = 1,175,453,282,685.71 - Step 5: Solve for x
x = 1,175,453,282,685.71/1,252,837.99 - Step 6: Final answer
x = 938,232.47
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1.5x scale
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.