Finding the Fourth Proportional to 1,135,187.31, 1,566,569.07 and 625,907.79
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Solution
The fourth proportional to 1,135,187.31, 1,566,569.07 and 625,907.79 is: 863,758.58
Step by Step Solution
- Step 1: Write the proportion equation
1,135,187.31 : 1,566,569.07 = 625,907.79 : x - Step 2: Convert to fraction form
1,135,187.31/1,566,569.07 = 625,907.79/x - Step 3: Cross multiply
1,135,187.31x = 1,566,569.07 × 625,907.79 - Step 4: Simplify right side
1,135,187.31x = 980,527,781,356.52 - Step 5: Solve for x
x = 980,527,781,356.52/1,135,187.31 - Step 6: Final answer
x = 863,758.58
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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.