Finding the Fourth Proportional to 1,125,125.16, 1,552,674.60 and 615,859.80
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Solution
The fourth proportional to 1,125,125.16, 1,552,674.60 and 615,859.80 is: 849,887.55
Step by Step Solution
- Step 1: Write the proportion equation
1,125,125.16 : 1,552,674.60 = 615,859.80 : x - Step 2: Convert to fraction form
1,125,125.16/1,552,674.60 = 615,859.80/x - Step 3: Cross multiply
1,125,125.16x = 1,552,674.60 × 615,859.80 - Step 4: Simplify right side
1,125,125.16x = 956,229,868,621.08 - Step 5: Solve for x
x = 956,229,868,621.08/1,125,125.16 - Step 6: Final answer
x = 849,887.55
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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.