Finding the Fourth Proportional to 1,151,471.44, 1,589,108.70 and 668,036.44
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Solution
The fourth proportional to 1,151,471.44, 1,589,108.70 and 668,036.44 is: 921,935.61
Step by Step Solution
- Step 1: Write the proportion equation
1,151,471.44 : 1,589,108.70 = 668,036.44 : x - Step 2: Convert to fraction form
1,151,471.44/1,589,108.70 = 668,036.44/x - Step 3: Cross multiply
1,151,471.44x = 1,589,108.70 × 668,036.44 - Step 4: Simplify right side
1,151,471.44x = 1,061,582,518,721.03 - Step 5: Solve for x
x = 1,061,582,518,721.03/1,151,471.44 - Step 6: Final answer
x = 921,935.61
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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.