Finding the Fourth Proportional to 1,325,387.79, 1,829,183.61 and 802,386.68
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Solution
The fourth proportional to 1,325,387.79, 1,829,183.61 and 802,386.68 is: 1,107,383.49
Step by Step Solution
- Step 1: Write the proportion equation
1,325,387.79 : 1,829,183.61 = 802,386.68 : x - Step 2: Convert to fraction form
1,325,387.79/1,829,183.61 = 802,386.68/x - Step 3: Cross multiply
1,325,387.79x = 1,829,183.61 × 802,386.68 - Step 4: Simplify right side
1,325,387.79x = 1,467,712,554,792.40 - Step 5: Solve for x
x = 1,467,712,554,792.40/1,325,387.79 - Step 6: Final answer
x = 1,107,383.49
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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.