Finding the Fourth Proportional to 1,246,750.77, 1,719,718.25 and 864,638.13
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Solution
The fourth proportional to 1,246,750.77, 1,719,718.25 and 864,638.13 is: 1,192,647.32
Step by Step Solution
- Step 1: Write the proportion equation
1,246,750.77 : 1,719,718.25 = 864,638.13 : x - Step 2: Convert to fraction form
1,246,750.77/1,719,718.25 = 864,638.13/x - Step 3: Cross multiply
1,246,750.77x = 1,719,718.25 × 864,638.13 - Step 4: Simplify right side
1,246,750.77x = 1,486,933,967,483.68 - Step 5: Solve for x
x = 1,486,933,967,483.68/1,246,750.77 - Step 6: Final answer
x = 1,192,647.32
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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.