Finding the Fourth Proportional to 1,117,528.93, 1,542,018.40 and 627,523.75
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Solution
The fourth proportional to 1,117,528.93, 1,542,018.40 and 627,523.75 is: 865,886.46
Step by Step Solution
- Step 1: Write the proportion equation
1,117,528.93 : 1,542,018.40 = 627,523.75 : x - Step 2: Convert to fraction form
1,117,528.93/1,542,018.40 = 627,523.75/x - Step 3: Cross multiply
1,117,528.93x = 1,542,018.40 × 627,523.75 - Step 4: Simplify right side
1,117,528.93x = 967,653,168,937 - Step 5: Solve for x
x = 967,653,168,937/1,117,528.93 - Step 6: Final answer
x = 865,886.46
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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.