Finding the Fourth Proportional to 1,315,569.75, 1,967,653.85 and 774,536.93
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Solution
The fourth proportional to 1,315,569.75, 1,967,653.85 and 774,536.93 is: 1,158,449.09
Step by Step Solution
- Step 1: Write the proportion equation
1,315,569.75 : 1,967,653.85 = 774,536.93 : x - Step 2: Convert to fraction form
1,315,569.75/1,967,653.85 = 774,536.93/x - Step 3: Cross multiply
1,315,569.75x = 1,967,653.85 × 774,536.93 - Step 4: Simplify right side
1,315,569.75x = 1,524,020,573,328.13 - Step 5: Solve for x
x = 1,524,020,573,328.13/1,315,569.75 - Step 6: Final answer
x = 1,158,449.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.