Finding the Fourth Proportional to 1,125,083.72, 1,552,615.55 and 615,786.09
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Solution
The fourth proportional to 1,125,083.72, 1,552,615.55 and 615,786.09 is: 849,784.81
Step by Step Solution
- Step 1: Write the proportion equation
1,125,083.72 : 1,552,615.55 = 615,786.09 : x - Step 2: Convert to fraction form
1,125,083.72/1,552,615.55 = 615,786.09/x - Step 3: Cross multiply
1,125,083.72x = 1,552,615.55 × 615,786.09 - Step 4: Simplify right side
1,125,083.72x = 956,079,058,807.70 - Step 5: Solve for x
x = 956,079,058,807.70/1,125,083.72 - Step 6: Final answer
x = 849,784.81
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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.