Finding the Fourth Proportional to 1,152,905.16, 1,589,715 and 744,470.76
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Solution
The fourth proportional to 1,152,905.16, 1,589,715 and 744,470.76 is: 1,026,533.99
Step by Step Solution
- Step 1: Write the proportion equation
1,152,905.16 : 1,589,715 = 744,470.76 : x - Step 2: Convert to fraction form
1,152,905.16/1,589,715 = 744,470.76/x - Step 3: Cross multiply
1,152,905.16x = 1,589,715 × 744,470.76 - Step 4: Simplify right side
1,152,905.16x = 1,183,496,334,233.40 - Step 5: Solve for x
x = 1,183,496,334,233.40/1,152,905.16 - Step 6: Final answer
x = 1,026,533.99
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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.