Finding the Fourth Proportional to 1,007,775.60, 1,390,677.84 and 625,794.18
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Solution
The fourth proportional to 1,007,775.60, 1,390,677.84 and 625,794.18 is: 863,563.38
Step by Step Solution
- Step 1: Write the proportion equation
1,007,775.60 : 1,390,677.84 = 625,794.18 : x - Step 2: Convert to fraction form
1,007,775.60/1,390,677.84 = 625,794.18/x - Step 3: Cross multiply
1,007,775.60x = 1,390,677.84 × 625,794.18 - Step 4: Simplify right side
1,007,775.60x = 870,278,098,526.97 - Step 5: Solve for x
x = 870,278,098,526.97/1,007,775.60 - Step 6: Final answer
x = 863,563.38
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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.