Finding the Fourth Proportional to 1,398,088.67, 1,929,344.00 and 786,241.23
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Solution
The fourth proportional to 1,398,088.67, 1,929,344.00 and 786,241.23 is: 1,085,002.57
Step by Step Solution
- Step 1: Write the proportion equation
1,398,088.67 : 1,929,344.00 = 786,241.23 : x - Step 2: Convert to fraction form
1,398,088.67/1,929,344.00 = 786,241.23/x - Step 3: Cross multiply
1,398,088.67x = 1,929,344.00 × 786,241.23 - Step 4: Simplify right side
1,398,088.67x = 1,516,929,795,721.91 - Step 5: Solve for x
x = 1,516,929,795,721.91/1,398,088.67 - Step 6: Final answer
x = 1,085,002.57
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.