Finding the Fourth Proportional to 1,312,504.84, 1,967,449.12 and 554,537.20
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Solution
The fourth proportional to 1,312,504.84, 1,967,449.12 and 554,537.20 is: 831,253.11
Step by Step Solution
- Step 1: Write the proportion equation
1,312,504.84 : 1,967,449.12 = 554,537.20 : x - Step 2: Convert to fraction form
1,312,504.84/1,967,449.12 = 554,537.20/x - Step 3: Cross multiply
1,312,504.84x = 1,967,449.12 × 554,537.20 - Step 4: Simplify right side
1,312,504.84x = 1,091,023,726,147.26 - Step 5: Solve for x
x = 1,091,023,726,147.26/1,312,504.84 - Step 6: Final answer
x = 831,253.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.