Finding the Fourth Proportional to 1,125,021.51, 1,552,569.26 and 615,723.75
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Solution
The fourth proportional to 1,125,021.51, 1,552,569.26 and 615,723.75 is: 849,720.43
Step by Step Solution
- Step 1: Write the proportion equation
1,125,021.51 : 1,552,569.26 = 615,723.75 : x - Step 2: Convert to fraction form
1,125,021.51/1,552,569.26 = 615,723.75/x - Step 3: Cross multiply
1,125,021.51x = 1,552,569.26 × 615,723.75 - Step 4: Simplify right side
1,125,021.51x = 955,953,763,823.31 - Step 5: Solve for x
x = 955,953,763,823.31/1,125,021.51 - Step 6: Final answer
x = 849,720.43
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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.