Finding the Fourth Proportional to 1,119,726.66, 1,545,176.82 and 629,682.18
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Solution
The fourth proportional to 1,119,726.66, 1,545,176.82 and 629,682.18 is: 868,935.56
Step by Step Solution
- Step 1: Write the proportion equation
1,119,726.66 : 1,545,176.82 = 629,682.18 : x - Step 2: Convert to fraction form
1,119,726.66/1,545,176.82 = 629,682.18/x - Step 3: Cross multiply
1,119,726.66x = 1,545,176.82 × 629,682.18 - Step 4: Simplify right side
1,119,726.66x = 972,970,308,503.07 - Step 5: Solve for x
x = 972,970,308,503.07/1,119,726.66 - Step 6: Final answer
x = 868,935.56
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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.