Finding the Fourth Proportional to 1,124,729.25, 1,552,126.37 and 615,431.63
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Solution
The fourth proportional to 1,124,729.25, 1,552,126.37 and 615,431.63 is: 849,295.64
Step by Step Solution
- Step 1: Write the proportion equation
1,124,729.25 : 1,552,126.37 = 615,431.63 : x - Step 2: Convert to fraction form
1,124,729.25/1,552,126.37 = 615,431.63/x - Step 3: Cross multiply
1,124,729.25x = 1,552,126.37 × 615,431.63 - Step 4: Simplify right side
1,124,729.25x = 955,227,651,017.29 - Step 5: Solve for x
x = 955,227,651,017.29/1,124,729.25 - Step 6: Final answer
x = 849,295.64
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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.