Finding the Fourth Proportional to 1,255,489.36, 1,730,949.06 and 813,176.96
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Solution
The fourth proportional to 1,255,489.36, 1,730,949.06 and 813,176.96 is: 1,121,130.88
Step by Step Solution
- Step 1: Write the proportion equation
1,255,489.36 : 1,730,949.06 = 813,176.96 : x - Step 2: Convert to fraction form
1,255,489.36/1,730,949.06 = 813,176.96/x - Step 3: Cross multiply
1,255,489.36x = 1,730,949.06 × 813,176.96 - Step 4: Simplify right side
1,255,489.36x = 1,407,567,894,525.66 - Step 5: Solve for x
x = 1,407,567,894,525.66/1,255,489.36 - Step 6: Final answer
x = 1,121,130.88
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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.